PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

01-435-0157-5 PIECE 249Valve,safety Relief

Flowserve Corp Dba Automax Actuators Div Flowserve Us Company · NSN 4820-01-131-2341 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-131-2341 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-131-2341. Primary manufacturer part number: 01-435-0157-5 PIECE 249.
Features
  • Valve,safety Relief — FSC 4820
  • 9 verified cross-references
  • Primary manufacturer: Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-131-2341, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Flowserve Corp Dba Automax Actuators Div Flowserve Us Company. This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameValve,safety Relief
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersFlowserve Corp Dba Automax Actuators Div Flowserve Us Company (CAGE 52374); Stewart-Warner Alemite Corp (CAGE 95879); Jednolity Indeks Materialowy - Uniform Material Index (CAGE 9009H); E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales (CAGE A00AM); Timken Gears & Services Inc. Div Philadelphia Gear (CAGE 17454)
Technical Specifications
ParameterValue
NSN4820-01-131-2341
Primary Part Number01-435-0157-5 PIECE 249
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFlowserve Corp Dba Automax Actuators Div Flowserve Us Company
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
4820-00-202-5632 INTERCHANGEABLE
Valve,safety Relief
4820-00-542-5683 INTERCHANGEABLE
Valve,safety Relief
4820-00-826-6465 INTERCHANGEABLE
Valve,safety Relief
4820-00-845-0067 INTERCHANGEABLE
Valve,safety Relief
4820-01-070-7670 INTERCHANGEABLE
Valve,safety Relief
4820-01-071-0688 INTERCHANGEABLE
Valve,safety Relief
4820-01-495-5316 INTERCHANGEABLE
Valve,safety Relief
4820-01-611-9622 INTERCHANGEABLE
Valve,safety Relief
4820-01-649-9043 INTERCHANGEABLE
Valve,safety Relief
5905-01-689-7213323060 INTERCHANGEABLE
Resistor,thermal
Vdo North America Llc
Cross-Reference Index
Part NumberManufacturer
01-435-0157-5 PIECE 249 Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
323060 Stewart-Warner Alemite Corp (USA)
4820PL2187189 Jednolity Indeks Materialowy - Uniform Material Index (POL)
4820011312341 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
4820PL2173744 Jednolity Indeks Materialowy - Uniform Material Index (POL)
01-435-0157-5 PIECE 249 Timken Gears & Services Inc. Div Philadelphia Gear (USA)
10424171 Nimikkeistokeskus Ncb Finland (FIN)
MS35670-4A Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS35670 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4820-00-202-5632INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-00-542-5683INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-00-826-6465INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-00-845-0067INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-01-070-7670INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-01-071-0688INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-01-495-5316INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-01-611-9622INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-01-649-9043INTERCHANGEABLE
VALVE,SAFETY RELIEF
5905-01-689-7213INTERCHANGEABLE
RESISTOR,THERMAL
323060

Frequently Asked Questions

What is NSN 4820-01-131-2341?

NSN 4820-01-131-2341 is a Valve,safety Relief, manufactured by Flowserve Corp Dba Automax Actuators Div Flowserve Us Company, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-131-2341?

NSN 4820-01-131-2341 has 9 cross-referenced part numbers: 01-435-0157-5 PIECE 249 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), 323060 (Stewart-Warner Alemite Corp), 4820PL2187189 (Jednolity Indeks Materialowy - Uniform Material Index), 4820011312341 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 4820PL2173744 (Jednolity Indeks Materialowy - Uniform Material Index) and 4 more.

What NSN replaces 4820-01-131-2341?

There are 10 known substitutes for 4820-01-131-2341: 4820-00-202-5632, 4820-00-542-5683, 4820-00-826-6465 and 7 more. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-131-2341 still in active supply?

NSN 4820-01-131-2341 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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