PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25060186Valve,relief,pressure and Temper

General Motors Llc Dba General Motors Llc · NSN 4820-01-201-7978 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-201-7978 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-201-7978. Primary manufacturer part number: 25060186.
Features
  • Valve,relief,pressure and Temper — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: General Motors Llc Dba General Motors Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-201-7978, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is General Motors Llc Dba General Motors Llc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,relief,pressure and Temper
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersGeneral Motors Llc Dba General Motors Llc (CAGE 7X677); General Motors Llc Dba General Motors (CAGE 70040); 2is Inc. (CAGE 1ZKD0)
Technical Specifications
ParameterValue
NSN4820-01-201-7978
Primary Part Number25060186
Item NameValve,relief,pressure and Temper
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3040-00-971-1544111-A-0004 INTERCHANGEABLE
Ball Joint
Transdigm Inc
3020-01-177-6491850435 INTERCHANGEABLE
Sprocket Wheel
International Business Machines Corp Parts Order Center Dept E - 54
Cross-Reference Index
Part NumberManufacturer
25060186 PRIMARY General Motors Llc Dba General Motors Llc (USA)
850435 General Motors Llc Dba General Motors (USA)
13204E3631 2is Inc. (USA)
Related Parts
3040-00-971-1544INTERCHANGEABLE
BALL JOINT
111-A-0004
3020-01-177-6491INTERCHANGEABLE
SPROCKET WHEEL
850435

Frequently Asked Questions

What is NSN 4820-01-201-7978?

NSN 4820-01-201-7978 is a Valve,relief,pressure and Temper, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-201-7978?

NSN 4820-01-201-7978 has 3 cross-referenced part numbers: 25060186 (General Motors Llc Dba General Motors Llc), 850435 (General Motors Llc Dba General Motors), 13204E3631 (2is Inc.).

What NSN replaces 4820-01-201-7978?

There are 2 known substitutes for 4820-01-201-7978: 3040-00-971-1544, 3020-01-177-6491. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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