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4820-01-172-6253

Safety Relief Valve

4820011726253 011726253 2019500C51M 20195

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE. View more Safety Relief Valve

Managed by United States

NSN Created on 23 Feb 1984

Data Last Changed
May 2023

NATO Update Count
7

NATO Data Quality

4820-01-172-6253 VALVE,SAFETY RELIEF 4820011726253 011726253 1/1 — NSN 4820-01-172-6253 (Generic Image) 1/1

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Related Documents 4820-01-172-6253 5+ Documents (More...)

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4820-01-172-6253 Safety Relief Valve 4820011726253 011726253

2019500C51M 20195 A valve designed to automatically release excessive pressures.
, -1260 20195 , conical, cylindrical, -1260 20195 , -1260 2019520195-001 FIND 10 20195 https//www.nsnlookup.com
-1100 20195-001 -12-321-0468 Electrolytic Fixed Capacitor 5910123210468 226059237,20195 , -1260 20195

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-001 An item of various shapes (usually circular, conical, cylindrical, -1260 20195 20195-001 FIND 10
An item of various shapes (usually circular, conical, cylindrical, -1260 20195 , -1260 20195 , -1260
-001 An item of various shapes (usually circular, conical, cylindrical, -1260 20195 , -1260 20195 , -

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4810-01-062-3841 Fluid Valve Stem 4810010623841 010623841

-1260 20195-1100 20195-001 FIND 18 20195-001 An item usually metallic, threaded or unthreaded, used for
Safety Relief Valve 4820011726253 011726253 20195 , -1260 -001 An item of various shapes (usually
circular, conical, cylindrical, -1260 20195 20195-001 -12-321-0468 Electrolytic Fixed Capacitor 5910123210468

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5331-22-605-9237 O-Ring 5331226059237 226059237,20195

-1100 20195-001 -12-321-0468 Electrolytic Fixed Capacitor 5910123210468 226059237,20195 , -1260 20195
, conical, cylindrical, -1260 20195 , -1260 2019520195-001 FIND 10 20195 https//www.nsnlookup.com -0468
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5910-12-321-0468 Electrolytic Fixed Capacitor 5910123210468

/fsg-53/fsc-5331/dk 5331-22-605-9237 O-Ring 5331226059237 226059237,20195 , -1260 20195-1100 20195-001
-12-321-0468 Electrolytic Fixed Capacitor 5910123210468 226059237,20195 , -1260 20195-1100 20195-001
20195-001 FIND 10 20195 https//www.nsnlookup.com /fsg-53/fsc-5331/dk 5331-22-605-9237 , conical, cylindrical

Restrictions 4820-01-172-6253

4820-01-172-6253 is a Safety Relief Valve that has critical features such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined. This item is a US Munitions List or Commerce Control List Item where the Item Manager, Equipment Specialist or Product Specialist must provide special demilitarization instructions. This item is not suspected to be hazardous. This item does not contain a precious metal.

Import and Export 4820-01-172-6253

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End Users 4820-01-172-6253

US Navy (N1HE)
Effective Date:: 1 Apr 1991
Supplementary Receivers:: GG; AMC 3 AMSC P IMC P IMCACTY HX

Approved Sources 4820-01-172-6253

Part Number
Manufacturer
Status
2019500C51M: 01343 - Anderson Greenwood Lp (Active); Incomplete Reference; RNCC 3 RNVC 1 DAC C
20195: 15187 - Emerson Automation Solutions Final (Active); Incomplete Secondary Reference; RNCC 5 RNVC 1 DAC C
20195: 24494 - General Nucleonics, Inc. (Active); Incomplete Secondary Reference; RNCC 5 RNVC 1 DAC C

Datasheet 4820-01-172-6253

Characteristic
Specifications
FIIG: A046B0
Bonnet Attachment Method [ADST]: Bolted
Bonnet Type [ADSR]: Inside Spring
Criticality Code Justification [CRTL]: Zzzy
Disk Loading Method [ADSU]: Spring
Flow Control Device [ADQU]: Stem
Material [MATT]: Copper Alloy 922 Overall
Reference Number Differentiating Characteristics [ZZZY]: Material Will Be In Accordance With Ships Parts Control Center Activity Hx Quality Control,Manufacturing And Testing Specifications
Valve Operation Method [AQLR]: Automatic

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DLA Procurement Analysis 4820-01-172-6253

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Management Data 4820-01-172-6253

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Effective Date: Organization; Unit of Issue; Unit Price; Qty Unit Pack
Oct 2022: Department of the Navy (DN); EA; Subscribe
Oct 2021: Department of the Navy (DN); EA; Subscribe
Oct 2020: Department of the Navy (DN); EA; Subscribe
Nov 2019: Department of the Navy (DN); EA; Subscribe

MOE: USC; Code; Statement; Order of Use; Jump To Code; Qty Per Assy; UOM; Technical Document; Quantative Expression
Department of the Navy (DN): L; R; Refer To Net Price 4872.00; NET PRICE 4872.00

Navy

Cognizance:

7H

Special Material ID:

X5: Navy Nuclear Reactor Plant (NNRP) component level material under the technical cognizant of NAVSEA 08, but managed by NAVICP MECH. This SMIC contains all component level nuclear material not qualifying for X1 or X4 SMIC assignment.

Issue, Repair, Requisition Restriction Code:

C0: Critical item. Do not issue. Refer all requests to cognizant manager

Special Material Content:

9: Non-Hazardous or Non-Sensitive Item

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Freight Information 4820-01-172-6253

4820-01-172-6253 has freight characteristics.It has a National Motor Freight Classification (NMFC) of 127220. A Sub NMFC of X. It has a NMFC Description of PRESSURE REG/RED/RELIEF VALVES NOI. 4820-01-172-6253 is rated as class 77.5 when transported by Less-Than Truckload (LTL) freight. 4820-01-172-6253 is rated as class 77.5 when transported by Less-Than Carload (LCL) rail or ocean freight. It has a Uniform Freight Classification (UFC) number of 64490 which rates the freight between FCL and LCL. 4820-01-172-6253 has a variance between NMFC and UFC when transported by rail and the description should be consulted. It has a Water Commodity Code (WCC) of 594 for ocean manifesting and military sealift. 4820-01-172-6253 is not classified as a special type of cargo when transported by water. 4820-01-172-6253 is not a consolidation and does not exceed 84" in any dimension. It should be compatible with a standard 72" Aircraft Cargo Door when transported by air.

Packaging Data 4820-01-172-6253

Responsible Activity
Packaging Data Source: Primary Inventory Control Activity (PICA); Packaging Data does not meet current MIL-STD-2073-1E

Storage Environment: Heated General Purpose – Heated 40 F and above

Item Pack Level (Unpackaged)

Item Size
Item Weight
Characteristics
Weight/Dimensions Category
Fragility
Item Preservation: --; --; --; Over 10lb; Less than 85G; No Requirement

Unit Pack Level (Packaged)

Quantity per Pack
Unit Size
Unit Weight
Unit Cube
Preservation Method
Cleaning/Drying: --; 13.0" H x 7.0" W x 6.0" L; --; --; --; Any Suitable Process

Preservation Material
Wrapping Material
Cushioning/Dunnage
Cushioning Thickness
Container
Special Marking: No Requirement; Special Requirements – see Specific Instructions or Drawings provided; ASTM-D4727, Fiberboard used as Pads, Cells, Die-cuts or Sleeves; Special Requirements. See Specific Instructions or Drawings Provided; Special requirement – See specific instructions or drawings provided; --

Intermediate Pack Level

Quantity of Unit Packs
Container: --; No Requirement