MS16997 Screws
Socket Head Cap Screws
MS16997 screws are socket head cap screws with a UNC Coarse Thread. The MS16997 series has many options for length and thread diameter as well as features and finishes. MS16997 screws adhere to strict military standards for material and construction. MS16997 alloy steel screws have a tensile strength of 160,000 psi which is stronger than Grade 8 steel screws. MS16997 screws are cadmium-plated to resist corrosion in wet environments. Length is measured from under the head.
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MS16997 Specifications
- Material
- Cadmium-Plated Alloy Steel
- Tensile Strength
- 160,000 psi
- Thread Pitch
- Coarse
MS16997 Dash Table
- Part
Number- NATO Stock Number
NSN- Length
- Threading
- Min Thread
Length- Head
Diameter- Head
Height- Drive
Size- #2-56 Thread
- MS16997-1
- 5305-00-058-2073
- NATO Stock Number
- 3/16"
- Full
- -
- 9/64"
- 0.086"
- 5/64"
- Full
- MS16997-2
- 5305-00-952-8492
- 1/4"
- Full
- -
- 9/64"
- 0.086"
- 5/64"
- Full
- MS16997-3
- 5305-00-058-2075
- 3/8"
- Full
- -
- 9/64"
- 0.086"
- 5/64"
- Full
- MS16997-4
- 5305-00-058-2076
5305-00-162-4753 - 5305-00-058-2076
- 1/2"
- Full
- -
- 9/64"
- 0.086"
- 5/64"
- Full
- #4-40 Thread
- MS16997-9
- 5305-00-978-9342
- MS16997-9
- 1/4"
- Full
- -
- 0.183"
- 0.112"
- 3/32"
- Full
- MS16997-10
- 5305-01-544-8634
- 3/8"
- Full
- -
- 0.183"
- 0.112"
- 3/32"
- Full
- MS16997-11
- 5305-00-983-5519
- 1/2"
- Full
- -
- 0.183"
- 0.112"
- 3/32"
- Full
- MS16997-12
- 5305-00-978-9344
- 5/8"
- Full
- -
- 0.183"
- 0.112"
- 3/32"
- Full
- MS16997-13
- 5305-00-978-9345
- 3/4"
- Full
- -
- 0.183"
- 0.112"
- 3/32"
- Full
| Cadmium-Plated Alloy Steel | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Length | Threading | Min Thread Length | Thread Pitch | Head Diameter | Head Height | Drive Size | Tensile Strength | Part Number | NATO Stock Number NSN | |
| 6-32 Thread | ||||||||||
| 1/4" | Fully Threaded | __ | Coarse | 0.226" | 0.138" | 7/64" | 160,000 psi | MS16997-18 | 5305-00-978-9346 | |
| 3/8" | Fully Threaded | __ | Coarse | 0.226" | 0.138" | 7/64" | 160,000 psi | MS16997-19 | 5305-00-978-9347 | |
| 1/2" | Fully Threaded | __ | Coarse | 0.226" | 0.138" | 7/64" | 160,000 psi | MS16997-20 | 5305-00-978-9348 | |
| 5/8" | Fully Threaded | __ | Coarse | 0.226" | 0.138" | 7/64" | 160,000 psi | MS16997-21 | 5305-00-978-9349 | |
| 3/4" | Fully Threaded | __ | Coarse | 0.226" | 0.138" | 7/64" | 160,000 psi | MS16997-22 | 5305-00-978-9350 | |
| 7/8" | Fully Threaded | __ | Coarse | 0.226" | 0.138" | 7/64" | 160,000 psi | MS16997-23 | 5305-00-978-9351 | |
| 1" | Fully Threaded | __ | Coarse | 0.226" | 0.138" | 7/64" | 160,000 psi | MS16997-24 | 5305-00-978-9368 | |
| 8-32 Thread | ||||||||||
| 1/4" | Fully Threaded | __ | Coarse | 0.27" | 0.164" | 9/64" | 160,000 psi | MS16997-30 | 5305-00-978-9368 | |
| 3/8" | Fully Threaded | __ | Coarse | 0.27" | 0.164" | 9/64" | 160,000 psi | MS16997-31 | 5305-00-978-9369 | |
| 1/2" | Fully Threaded | __ | Coarse | 0.27" | 0.164" | 9/64" | 160,000 psi | MS16997-32 | 5305-00-978-9370 | |
| 5/8" | Fully Threaded | __ | Coarse | 0.27" | 0.164" | 9/64" | 160,000 psi | MS16997-33 | 5305-00-978-9371 | |
| 3/4" | Fully Threaded | __ | Coarse | 0.27" | 0.164" | 9/64" | 160,000 psi | MS16997-34 | 5305-00-978-9372 | |
| 7/8" | Fully Threaded | __ | Coarse | 0.27" | 0.164" | 9/64" | 160,000 psi | MS16997-35 | 5305-00-978-9373 | |
| 1" | Fully Threaded | __ | Coarse | 0.27" | 0.164" | 9/64" | 160,000 psi | MS16997-36 | 5305-00-978-9374 | |
| 1 1/4" | Partially Threaded | 7/8" | Coarse | 0.27" | 0.164" | 9/64" | 160,000 psi | MS16997-37 | 5305-00-978-9375 | |
| 1 1/2" | Partially Threaded | 1 1/8" | Coarse | 0.27" | 0.164" | 9/64" | 160,000 psi | MS16997-38 | 5305-00-978-9376 | |
| 10-24 Thread | ||||||||||
| 3/8" | Fully Threaded | __ | Coarse | 5/16" | 0.19" | 5/32" | 160,000 psi | MS16997-43 | 5305-00-978-9353 | |
| 1/2" | Fully Threaded | __ | Coarse | 5/16" | 0.19" | 5/32" | 160,000 psi | MS16997-44 | 5305-00-978-9354 | |
| 5/8" | Fully Threaded | __ | Coarse | 5/16" | 0.19" | 5/32" | 160,000 psi | MS16997-45 | 5305-00-978-9355 | |
| 3/4" | Fully Threaded | __ | Coarse | 5/16" | 0.19" | 5/32" | 160,000 psi | MS16997-46 | 5305-00-978-9356 | |
| 7/8" | Fully Threaded | __ | Coarse | 5/16" | 0.19" | 5/32" | 160,000 psi | MS16997-47 | 5305-00-978-9357 | |
| 1" | Fully Threaded | __ | Coarse | 5/16" | 0.19" | 5/32" | 160,000 psi | MS16997-48 | 5305-00-978-9358 | |
| 1 1/4" | Partially Threaded | 7/8" | Coarse | 5/16" | 0.19" | 5/32" | 160,000 psi | MS16997-49 | 5305-00-978-9359 | |
| 1 1/2" | Partially Threaded | 1 1/8" | Coarse | 5/16" | 0.19" | 5/32" | 160,000 psi | MS16997-50 | 5305-00-978-9360 | |
| 1 3/4" | Partially Threaded | 7/8" | Coarse | 5/16" | 0.19" | 5/32" | 160,000 psi | MS16997-51 | 5305-00-978-9361 | |
| 2" | Partially Threaded | 1 1/8" | Coarse | 5/16" | 0.19" | 5/32" | 160,000 psi | MS16997-52 | 5305-00-978-9362 | |
| 1/4"-20 Thread | ||||||||||
| 3/8" | Fully Threaded | __ | Coarse | 3/8" | 1/4" | 3/16" | 160,000 psi | MS16997-57 | 5305-00-978-9377 | |
| 1/2" | Fully Threaded | __ | Coarse | 3/8" | 1/4" | 3/16" | 160,000 psi | MS16997-58 | 5305-00-978-9378 | |
| 5/8" | Fully Threaded | __ | Coarse | 3/8" | 1/4" | 3/16" | 160,000 psi | MS16997-59 | 5305-00-978-9379 | |
| 3/4" | Fully Threaded | __ | Coarse | 3/8" | 1/4" | 3/16" | 160,000 psi | MS16997-60 | 5305-27-056-2290 5305-01-609-5333 | |
| 7/8" | Fully Threaded | __ | Coarse | 3/8" | 1/4" | 3/16" | 160,000 psi | MS16997-61 | 5305-00-978-9380 | |
| 1" | Fully Threaded | __ | Coarse | 3/8" | 1/4" | 3/16" | 160,000 psi | MS16997-62 | 5305-00-978-9385 | |
| 1 1/4" | Fully Threaded | __ | Coarse | 3/8" | 1/4" | 3/16" | 160,000 psi | MS16997-63 | 5305-00-978-9381 | |
| 1 1/2" | Partially Threaded | 1" | Coarse | 3/8" | 1/4" | 3/16" | 160,000 psi | MS16997-64 | 5305-00-978-9382 | |
| 1 3/4" | Partially Threaded | 1 1/4" | Coarse | 3/8" | 1/4" | 3/16" | 160,000 psi | MS16997-65 | 5305-00-978-9383 | |
| 2" | Partially Threaded | 1" | Coarse | 3/8" | 1/4" | 3/16" | 160,000 psi | MS16997-66 | 5305-00-978-9384 | |
| 2 1/4" | Partially Threaded | 1" | Coarse | 3/8" | 1/4" | 3/16" | 160,000 psi | MS16997-67 | 5305-00-978-9386 5305-01-341-2250 | |
| 2 1/2" | Partially Threaded | 1" | Coarse | 3/8" | 1/4" | 3/16" | 160,000 psi | MS16997-68 | 5305-00-978-9387 | |
| 2 3/4" | Partially Threaded | 1" | Coarse | 3/8" | 1/4" | 3/16" | 160,000 psi | MS16997-69 | 5305-00-978-9388 | |
| 3" | Partially Threaded | 1" | Coarse | 3/8" | 1/4" | 3/16" | 160,000 psi | MS16997-70 | 5305-00-978-9389 | |
| 3/8" | Partially Threaded | 1" | Coarse | 3/8" | 1/4" | 3/16" | 160,000 psi | MS16997-75 | 5305-00-983-5343 | |
| 1/2" | Partially Threaded | 1" | Coarse | 3/8" | 1/4" | 3/16" | 160,000 psi | MS16997-76 | 5305-00-983-5344 | |
| 5/8" | Partially Threaded | 1" | Coarse | 3/8" | 1/4" | 3/16" | 160,000 psi | MS16997-77 | 5305-00-983-5345 | |
| 5/16"-18 Thread | ||||||||||
| 3/4" | Fully Threaded | __ | Coarse | 15/32" | 5/16" | 1/4" | 160,000 psi | MS16997-78 | 5305-00-983-5346 | |
| 7/8" | Fully Threaded | __ | Coarse | 15/32" | 5/16" | 1/4" | 160,000 psi | MS16997-79 | 5305-01-289-9750 | |
| 1" | Fully Threaded | __ | Coarse | 15/32" | 5/16" | 1/4" | 160,000 psi | MS16997-80 | 5305-00-983-6621 | |
| 1 1/4" | Fully Threaded | __ | Coarse | 15/32" | 5/16" | 1/4" | 160,000 psi | MS16997-81 | 5305-00-983-6622 | |
| 1 1/2" | Fully Threaded | __ | Coarse | 15/32" | 5/16" | 1/4" | 160,000 psi | MS16997-82 | 5305-00-983-6623 | |
| 1 3/4" | Partially Threaded | 1 1/8" | Coarse | 15/32" | 5/16" | 1/4" | 160,000 psi | MS16997-83 | 5305-00-983-6624 | |
| 2" | Partially Threaded | 1 3/8" | Coarse | 15/32" | 5/16" | 1/4" | 160,000 psi | MS16997-84 | 5305-00-983-6625 | |
| 2 1/4" | Partially Threaded | 1 3/8" | Coarse | 15/32" | 5/16" | 1/4" | 160,000 psi | MS16997-85 | 5305-00-984-3018 | |
| 2 1/2" | Partially Threaded | 1 3/8" | Coarse | 15/32" | 5/16" | 1/4" | 160,000 psi | MS16997-86 | 5305-00-984-3019 5305-01-013-3692 | |
| 2 3/4" | Partially Threaded | 1 3/8" | Coarse | 15/32" | 5/16" | 1/4" | 160,000 psi | MS16997-87 | 5305-00-984-3020 | |
| 3" | Partially Threaded | 1 3/8" | Coarse | 15/32" | 5/16" | 1/4" | 160,000 psi | MS16997-88 | 5305-01-289-3207 5305-00-984-3021 | |
| 3 1/4" | Partially Threaded | 1 3/8" | Coarse | 15/32" | 5/16" | 1/4" | 160,000 psi | MS16997-89 | 5305-00-984-3022 | |
| 3 1/2" | Partially Threaded | 1 3/8" | Coarse | 15/32" | 5/16" | 1/4" | 160,000 psi | MS16997-90 | 5305-00-983-8085 | |
| 3/8"-16 Thread | ||||||||||
| 1/2" | Fully Threaded | __ | Coarse | 9/16" | 3/8" | 5/16" | 160,000 psi | MS16997-95 | 5305-00-978-9390 | |
| 5/8" | Fully Threaded | __ | Coarse | 9/16" | 3/8" | 5/16" | 160,000 psi | MS16997-96 | 5305-00-978-9391 | |
| 3/4" | Fully Threaded | __ | Coarse | 9/16" | 3/8" | 5/16" | 160,000 psi | MS16997-97 | 5305-00-978-9392 | |
| 7/8" | Fully Threaded | __ | Coarse | 9/16" | 3/8" | 5/16" | 160,000 psi | MS16997-98 | 5305-00-978-9393 | |
| 1" | Fully Threaded | __ | Coarse | 9/16" | 3/8" | 5/16" | 160,000 psi | MS16997-99 | 5305-01-341-2251 5305-00-978-9394 | |
| 1 1/4" | Fully Threaded | __ | Coarse | 9/16" | 3/8" | 5/16" | 160,000 psi | MS16997-100 | 5305-00-978-9395 | |
| 1 1/2" | Fully Threaded | __ | Coarse | 9/16" | 3/8" | 5/16" | 160,000 psi | MS16997-101 | 5305-00-978-9396 | |
| 1 3/4" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 160,000 psi | MS16997-102 | 5305-00-983-5334 | |
| 2" | Partially Threaded | 1 1/2" | Coarse | 9/16" | 3/8" | 5/16" | 160,000 psi | MS16997-103 | 5305-00-978-9397 | |
| 2 1/4" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 160,000 psi | MS16997-104 | 5305-00-983-5335 | |
| 2 1/2" | Partially Threaded | 1 1/2" | Coarse | 9/16" | 3/8" | 5/16" | 160,000 psi | MS16997-105 | 5305-00-983-5336 | |
| 2 3/4" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 160,000 psi | MS16997-106 | 5305-00-983-5337 | |
| 3" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 160,000 psi | MS16997-107 | 5305-00-983-5338 | |
| 3 1/4" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 160,000 psi | MS16997-108 | 5305-00-983-5339 | |
| 3 1/2" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 160,000 psi | MS16997-109 | 5305-00-983-5340 | |
| 4" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 160,000 psi | MS16997-110 | 5305-00-983-5341 | |
| 4 1/2" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 160,000 psi | MS16997-111 | 5305-00-983-6620 | |
| 5" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 160,000 psi | MS16997-112 | 5305-00-983-5342 | |