PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10-4581Valve,safety Relief

Market Forge Industries Inc · NSN 4820-00-169-5334 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-169-5334 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-169-5334. Primary manufacturer part number: 10-4581.
Features
  • Valve,safety Relief — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Market Forge Industries Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-00-169-5334, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Market Forge Industries Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 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)
ManufacturersMarket Forge Industries Inc (CAGE 38379)
Technical Specifications
ParameterValue
NSN4820-00-169-5334
Primary Part Number10-4581
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMarket Forge Industries Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4820-00-106-1973 INTERCHANGEABLE
Valve,expansion
4820-00-595-2257 INTERCHANGEABLE
Valve,expansion
6605-00-630-1288 INTERCHANGEABLE
Mount,eyeguard
4820-00-726-47191199C1043 INTERCHANGEABLE
Valve,vent
Meritor Heavy Vehicle Systems, Llc
5985-01-231-0232TPP-1-50 INTERCHANGEABLE
Dummy Load,electrical
Trompeter Electronics, Inc.
Cross-Reference Index
Part NumberManufacturer
10-4581 PRIMARY Market Forge Industries Inc (USA)
Related Parts
4820-00-106-1973INTERCHANGEABLE
VALVE,EXPANSION
4820-00-595-2257INTERCHANGEABLE
VALVE,EXPANSION
6605-00-630-1288INTERCHANGEABLE
MOUNT,EYEGUARD
4820-00-726-4719INTERCHANGEABLE
VALVE,VENT
1199C1043
5985-01-231-0232INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
TPP-1-50

Frequently Asked Questions

What is NSN 4820-00-169-5334?

NSN 4820-00-169-5334 is a Valve,safety Relief, manufactured by Market Forge Industries Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-169-5334?

NSN 4820-00-169-5334 has 1 cross-referenced part number: 10-4581 (Market Forge Industries Inc).

What NSN replaces 4820-00-169-5334?

There are 5 known substitutes for 4820-00-169-5334: 4820-00-106-1973, 4820-00-595-2257, 6605-00-630-1288 and 2 more. Verify interchangeability with system specifications before substitution.

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