NSN 3820-00-116-0479, 3820001160479
CARTRIDGE,RELIEF VALVE

Federal Supply Classification: FSC 3820 - Mining, Rock Drilling, Earth Boring, and Related Equipment
National Item Identification Number: NIIN 001160479
Codification Country: United States
Item Name Code: INC 77777
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 3820-00-116-0479

National Stock Number (NSN) 3820-00-116-0479, or NIIN 001160479, (cartridge,relief valve) was assigned September 25, 1968 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 5 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 11, 2014, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 77777. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3820001160479 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) CONSIST OF ONE CARTRIDGE @SHELL,P/N L1041-1;ONE SPRING ADJUSTING SCREW,P/N AB102-1;ONE LOCKING NUT,P/N F1379;TWO O-RING,1.125 IN. OD,0.875 IN. ID,P/N3006-7;ONE DISPLACEMENT PLUNGER,P/N TA 1530;ONE BACK UP RING,P/N J3010-8;ONE O-RING,0.547 IN. OD,0.375 IN. ID,P/N L3006-4;ONE FLOATING SEAT,P/N LA1530;ONE POPPET,P/N EA1044;ONE BACK-UP RING,P/N J3010-14;ONE 0-RING,0.938 IN. OD,0.750 IN. ID,P/N L3006-45;ONE POPPET RETAINER,P/N DS91-2;ONE WASHER,P/N B1025-12;ONE SNUBBER CHECK VALVE,P/N HA1044;ONE SPRING,P/N A1327-166