PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0600400Valve,safety Relief

Velvac Inc · NSN 4820-01-291-5803 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-291-5803 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-291-5803. Primary manufacturer part number: 0600400.
Features
  • Valve,safety Relief — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Velvac Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-291-5803, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Velvac Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,safety Relief
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersOshkosh Corp (CAGE 45152); Velvac Inc (CAGE 79146); Gt Development Corp (CAGE 78528)
Technical Specifications
ParameterValue
NSN4820-01-291-5803
Primary Part Number0600400
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVelvac Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-236-14841391 INTERCHANGEABLE
Packing,preformed
Atlantic India Rubber Co Inc
4320-00-398-57201391 INTERCHANGEABLE
Ring,lantern
Curtiss-Wright Electro-Mechanical Corporation Div Epd
6625-00-424-44141391-P1 INTERCHANGEABLE
Meter,audio Level
General Microwave Corporation Div Kratos Microwave Electronics
5365-00-520-1835M1391 INTERCHANGEABLE
Shim
Aerosonic Llc
3020-00-790-0298 INTERCHANGEABLE
Chain,roller
4820-01-008-58300600-0018 INTERCHANGEABLE
Valve,safety Relief
Victor Equipment Co
6635-01-071-1682 INTERCHANGEABLE
Tensiometer
5330-01-118-950429940-0415 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
5910-01-224-3624 INTERCHANGEABLE
Capacitor,fixed,electrolytic
4820-01-226-3249224-703-020-139-050 INTERCHANGEABLE
Valve,butterfly
Emerson Automation Solutions Final Control Us Lp
Cross-Reference Index
Part NumberManufacturer
1520750 Oshkosh Corp (USA)
0600400 PRIMARY Velvac Inc (USA)
139-1 PRIMARY Gt Development Corp (USA)
Related Parts
5330-00-236-1484INTERCHANGEABLE
PACKING,PREFORMED
1391
4320-00-398-5720INTERCHANGEABLE
RING,LANTERN
1391
6625-00-424-4414INTERCHANGEABLE
METER,AUDIO LEVEL
1391-P1
5365-00-520-1835INTERCHANGEABLE
SHIM
M1391
3020-00-790-0298INTERCHANGEABLE
CHAIN,ROLLER
4820-01-008-5830INTERCHANGEABLE
VALVE,SAFETY RELIEF
0600-0018
6635-01-071-1682INTERCHANGEABLE
TENSIOMETER
5330-01-118-9504INTERCHANGEABLE
SEAL,PLAIN ENCASED
29940-0415
5910-01-224-3624INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
4820-01-226-3249INTERCHANGEABLE
VALVE,BUTTERFLY
224-703-020-139-050
4820-01-251-6226INTERCHANGEABLE
STEM,FLUID VALVE
145-205-030-139-000
5330-01-360-1160INTERCHANGEABLE
SEAL,PLAIN
1391

Frequently Asked Questions

What is NSN 4820-01-291-5803?

NSN 4820-01-291-5803 is a Valve,safety Relief, manufactured by Velvac Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-291-5803?

NSN 4820-01-291-5803 has 3 cross-referenced part numbers: 1520750 (Oshkosh Corp), 0600400 (Velvac Inc), 139-1 (Gt Development Corp).

What NSN replaces 4820-01-291-5803?

There are 12 known substitutes for 4820-01-291-5803: 5330-00-236-1484, 4320-00-398-5720, 6625-00-424-4414 and 9 more. Verify interchangeability with system specifications before substitution.

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