PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-02003Valve,safety Relief

Trinity Tool Co Div Trinco Trinity Tool Company · NSN 4820-01-262-3137 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-262-3137 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-262-3137. Primary manufacturer part number: 2-02003.
Features
  • Valve,safety Relief — FSC 4820
  • Material: STEEL BODY
  • 1 verified cross-reference
  • Primary manufacturer: Trinity Tool Co Div Trinco Trinity Tool Company
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-262-3137, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Trinity Tool Co Div Trinco Trinity Tool Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-262-3137
Primary Part Number2-02003
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrinity Tool Co Div Trinco Trinity Tool Company
StatusACTIVE
MaterialSTEEL BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5961-00-007-41201901-0638 INTERCHANGEABLE
Rectifier,semiconductor Device
Avago Technologies Us Inc Div Avago Technologies
4920-00-025-3079 INTERCHANGEABLE
Thrust Trailer Asse
5935-00-261-75982041-6204-00 INTERCHANGEABLE
Adapter,connector
Tyco Electronics Corp
1660-00-567-6998202003 INTERCHANGEABLE
Sleeve,bearing Prel
Honeywell International Inc. Div Aerospace - Torrance
5325-00-663-2412 INTERCHANGEABLE
Ring,retaining
5930-00-989-472720-200-3 INTERCHANGEABLE
Switch,thermostatic
Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems
4320-01-022-8930CFSP-40997 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
Defense Maritime Solutions, Inc.
5975-01-129-4935202003 INTERCHANGEABLE
Strip Supp Center
North Atlantic Industries, Inc. Dba North Atlantic Industries
2815-01-342-68204933355 INTERCHANGEABLE
Flywheel,engine
Cummins Inc.
Cross-Reference Index
Part NumberManufacturer
2-02003 PRIMARY Trinity Tool Co Div Trinco Trinity Tool Company (USA)
Related Parts
5961-00-007-4120INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE
1901-0638
4920-00-025-3079INTERCHANGEABLE
THRUST TRAILER ASSE
5935-00-261-7598INTERCHANGEABLE
ADAPTER,CONNECTOR
2041-6204-00
1660-00-567-6998INTERCHANGEABLE
SLEEVE,BEARING PREL
202003
5325-00-663-2412INTERCHANGEABLE
RING,RETAINING
5930-00-989-4727INTERCHANGEABLE
SWITCH,THERMOSTATIC
20-200-3
4320-01-022-8930INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
CFSP-40997
5975-01-129-4935INTERCHANGEABLE
STRIP SUPP CENTER
202003
2815-01-342-6820INTERCHANGEABLE
FLYWHEEL,ENGINE
4933355

Frequently Asked Questions

What is NSN 4820-01-262-3137?

NSN 4820-01-262-3137 is a Valve,safety Relief, manufactured by Trinity Tool Co Div Trinco Trinity Tool Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-262-3137?

NSN 4820-01-262-3137 has 1 cross-referenced part number: 2-02003 (Trinity Tool Co Div Trinco Trinity Tool Company).

What NSN replaces 4820-01-262-3137?

There are 9 known substitutes for 4820-01-262-3137: 5961-00-007-4120, 4920-00-025-3079, 5935-00-261-7598 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-02003?

Key specifications for 2-02003: Special Features: 0.500 IN. VALVE SIZE IN; Material: STEEL BODY. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com