NAS1351 Bolts
National Aerospace Standard
NAS bolts comply with the National Aerospace Standard and are commonly used for high technology systems. NAS bolts are necessary for high strength applications and consist of a fine-threaded, dimple headed hex bolt. Material markings for NAS bolts are the same as AN bolts, except they may be either raised or recessed.
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| Model | Thread Fraction | Length | Product # | |
|---|---|---|---|---|
| MS16997-100 | .375-16 X 1.250 | 3/8-16 X 1-1/4 | NAS1352-6-20P | |
| MS16997-101 | .375-16 X 1.50 | 3/8-16 X 1-1/2 | NAS1352-6-24P | |
| MS16997-102 | .375-16 X 1.750 | 3/8-16 X 1-3/4 | NAS1352-6-28P | |
| MS16997-103 | .375-16 X 2.00 | 3/8-16 X 2 | NAS1352-6-32P | |
| MS16997-104 | .375-16 X 2.25 | 3/8-16 X 2-1/4 | NAS1352-6-36P | |
| MS16997-105 | .375-16 X 2.50 | 3/8-16 X 2-1/2 | NAS1352-6-40P | |
| MS16997-106 | .375-16 X 2.75 | 3/8-16 X 2-3/4 | NAS1352-6-44P | |
| MS16997-107 | .375-16 X 3 | 3/8-16 X 3 | NAS1352-6-48P | |
| MS16997-18 | .138-32 X .250 | 6-32 X 1/4 | NAS1352-06-4P | |
| MS16997-20 | .138-32 X .500 | 6-32 X 1/2 | NAS1352-06-8P | |
| MS16997-22 | .138-32 X .750 | 6-32 X 3/4 | NAS1352-06-12P | |
| MS16997-24 | .138-32 X 1.00 | 6-32 X 1 | NAS1352-06-16P | |
| MS16997-32 | .164-32 X .500 | 8-32 X 1/2 | NAS1352-08-8P | |
| MS16997-34 | .164-32 X .750 | 8-32 X 3/4 | NAS1352-08-12P | |
| MS16997-36 | .164-32 X 1.00 | 8-32 X 1 | NAS1352-08-16P | |
| MS16997-37 | .164-32 X 1.250 | 8-32 X 1-1/4 | NAS1352-08-20P | |
| MS16997-38 | .164-32 X 1.50 | 8-32 X 1-1/2 | NAS1352-08-24P | |
| MS16997-44 | .190-24 X .500 | 10-24 X 1/2 | NAS1352-3-8P | |
| MS16997-46 | .190-24 X .750 | 10-24 X 3/4 | NAS1352-3-12P | |
| MS16997-48 | .190-24 X 1.00 | 10-24 X 1 | NAS1352-3-16P | |
| MS16997-49 | .190-24 X 1.250 | 10-24 X 1-1/4 | NAS1352-3-20P | |
| MS16997-50 | .190-24 X 1.500 | 10-24 X 1.50 | NAS1352-3-24P | |
| MS16997-51 | .190-24 X 1.750 | 10-24 X 1.750 | NAS1352-3-32P | |
| MS16997-58 | .250-20 X .500 | 1/4-20 X 1/2 | NAS1352-4-8P | |
| MS16997-60 | .250-20 X .750 | 1/4-20 X 3/4 | NAS1352-4-12P | |
| MS16997-62 | .250-20 X 1.00 | 1/4-20 X 1 | NAS1352-4-16P | |
| MS16997-63 | .250-20 X 1.250 | 1/4-20 X 1-1/4 | NAS1352-4-20P | |
| MS16997-64 | .250-20 X 1.50 | 1/4-20 X 1-1/2 | NAS1352-4-24P | |
| MS16997-65 | .250-20 X 1.750 | 1/4-20 X 1-3/4 | NAS1352-4-28P | |
| MS16997-66 | .250-20 X 2.00 | 1/4-20 X 2 | NAS1352-4-32P | |
| MS16997-68 | .250-20 X 2.50 | 1/4-20 X 2-1/2 | NAS1352-4-40P | |
| MS16997-76 | .3125-18 X .500 | 5/16-18 X 1/2 | NAS1352-5-8P | |
| MS16997-78 | .3125-18 X .750 | 5/16-18 X 3/4 | NAS1352-5-12P | |
| MS16997-80 | .3125-18 X 1.00 | 5/16-18 X 1 | NAS1352-5-16P | |
| MS16997-81 | .3125-18 X 1.250 | 5/16-18 X 1-1/4 | NAS1352-5-20P | |
| MS16997-82 | .3125-18 X 1.50 | 5/16-18 X 1-1/2 | NAS1352-5-24P | |
| MS16997-83 | .3125-18 X 1.750 | 5/16-18 X 1-3/4 | NAS1352-5-28P | |
| MS16997-84 | .3125-18 X 2.00 | 5/16-18 X 2 | NAS1352-5-32P | |
| MS16997-85 | .3125-18 X 2.250 | 5/16-18 X 2-1/4 | NAS1352-5-36P | |
| MS16997-86 | .3125-18 X 2.50 | 5/16-18 X 2-1/2 | NAS1352-5-40P | |
| MS16997-87 | .3125-18 X 2.750 | 5/16-18 X 2-3/4 | NAS1352-5-44P | |
| MS16997-88 | .3125-18 X 3.00 | 5/16-18 X 3 | NAS1352-5-48P | |
| MS16997-97 | .375-16 X .750 | 3/8-16 X 3/4 | NAS1352-6-12P | |
| MS16997-98 | .375-16 X .8750 | 3/8-16 X 7/8 | NAS1352-6-14P | |
| MS16997-99 | .375-16 X 1.00 | 3/8-16 X 1 | NAS1352-6-16P | |
| MS16998-100 | .500-20 X 2.25 | 1/2-20 X 2-1/4 | NAS1351-8-36P | |
| MS16998-101 | .500-20 X 2.50 | 1/2-20 X 2-1/2 | NAS1351-8-40P | |
| MS16998-102 | .500-20 X 3.00 | 1/2-20 X 3 | NAS1351-8-48P | |
| MS16998-106 | .625-18 X 1.00 | 5/8-18 X 1 | NAS1351-10-16P | |
| MS16998-108 | .625-18 X 1.50 | 5/8-18 X 1-1/2 | NAS1351-10-24P | |
| MS16998-109 | .625-18 X 1.75 | 5/8-18 X 1-3/4 | NAS1351-10-28P | |
| MS16998-110 | .625-18 X 2.00 | 5/8-18 X 2 | NAS1351-10-32P | |
| MS16998-26 | .190-32 X .375 | 10-32 X 3/8 | NAS1351-3-6P | |
| MS16998-27 | .190-32 X .500 | 10-32 X 1/2 | NAS1351-3-8P | |
| MS16998-28 | .190-32 X .625 | 10-32 X 5/8 | NAS1351-3-10P | |
| MS16998-29 | .190-32 X .750 | 10-32 X 3/4 | NAS1351-3-12P | |
| MS16998-30 | .190-32 X .875 | 10-32 X 7/8 | NAS1351-3-14P | |
| MS16998-31 | .190-32 X 1.00 | 10-32 X 1 | NAS1351-3-16P | |
| MS16998-32 | .190-32 X 1.25 | 10-32 X 1-1/4 | NAS1351-3-20P | |
| MS16998-33 | .190-32 X 1.50 | 10-32 X 1-1/2 | NAS1351-3-24P | |
| MS16998-34 | .190-32 X 1.75 | 10-32 X 1-3/4 | NAS1351-3-28P | |
| MS16998-35 | .190-32 X 2.0 | 10-32 X 2 | NAS1351-3-32P | |
| MS16998-40 | .250-28 X .375 | 1/4-28 X 3/8 | NAS1351-4-6P | |
| MS16998-41 | .250-28 X .500 | 1/4-28 X 1/2 | NAS1351-4-8P | |
| MS16998-43 | .250-28 X .750 | 1/4-28 X 3/4 | NAS1351-4-12P | |
| MS16998-45 | .250-28 X 1.00 | 1/4-28 X 1 | NAS1351-4-16P | |
| MS16998-47 | .250-28 X 1.500 | 1/4-28 X 1-1/2 | NAS1351-4-24P | |
| MS16998-48 | .250-28 X 1.750 | 1/4-28 X 1-3/4 | NAS1351-4-28P | |
| MS16998-49 | .250-28 X 2.00 | 1/4-28 X 2 | NAS1351-4-32P | |
| MS16998-72 | .375-24 X .750 | 3/8-24 X 3/4 | NAS1351-6-12P | |
| MS16998-73 | .375-24 X .875 | 3/8-24 X 7/8 | NAS1351-6-14P | |
| MS16998-74 | .375-24 X 1.00 | 3/8-24 X 1 | NAS1351-6-16P | |
| MS16998-75 | .375-24 X 1.250 | 3/8-24 X 1-1/4 | NAS1351-6-20P | |
| MS16998-76 | .375-24 X 1.500 | 3/8-24 X 1-1/2 | NAS1351-6-24P | |
| MS16998-77 | .375-24 X 1.750 | 3/8-24 X 1-3/4 | NAS1351-6-28P | |
| MS16998-78 | .375-24 X 2.00 | 3/8-24 X 2 | NAS1351-6-32P | |
| MS16998-79 | .375-24 X 2.250 | 3/8-24 X 2-1/4 | NAS1351-6-36P | |
| MS16998-80 | .375-24 X 2.500 | 3/8-24 X 2-1/2 | NAS1351-6-40P | |
| MS16998-95 | .500-20 X 1.00 | 1/2-20 X 1 | NAS1351-8-16P | |
| MS16998-96 | .500-20 X 1.250 | 1/2-20 X 1-1/4 | NAS1351-8-20P | |
| MS16998-97 | .500-20 X 1.50 | 1/2-20 X 1-1/2 | NAS1351-8-24P | |
| MS16998-98 | .500-20 X 1.750 | 1/2-20 X 1-3/4 | NAS1351-8-28P | |
| MS16998-99 | .500-20 X 2.00 | 1/2-20 X 2 | NAS1351-8-32P |