PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11420Valve,safety Relief

Usi Inc · NSN 4820-01-508-5651 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-508-5651 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-508-5651. Primary manufacturer part number: 11420.
Features
  • Valve,safety Relief — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Usi Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-508-5651, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Usi Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-508-5651
Primary Part Number11420
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerUsi Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5133-00-189-9266 INTERCHANGEABLE
Drill,twist
8030-00-229-873611420 INTERCHANGEABLE
Molding Compound
Illinois Tool Works Inc. Dba Illinois Tool Works Inc
5977-00-474-583711420 INTERCHANGEABLE
Brush Block Assembl
Cae Usa Inc.
4820-00-694-97181972-02 INTERCHANGEABLE
Seat,valve
Norgren C a Co
5330-00-878-395511420 INTERCHANGEABLE
Seal,oil
Middleby Marshall Inc Conveyor Ovens and Mixers Div
5120-01-061-0615 INTERCHANGEABLE
Key Set,socket Head Screw
2530-01-157-8016 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
5975-01-270-451011420 INTERCHANGEABLE
Clamp,electrical Conductor,strai
L & R Manufacturing Company
2920-01-407-9235114-20 INTERCHANGEABLE
Cover,electrical Generator
Prestolite Electric Inc
5995-01-499-794511420 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Astrocom Electronics Inc
Cross-Reference Index
Part NumberManufacturer
12472965 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
11420 PRIMARY Usi Inc (USA)
4820015085651 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
Related Parts
5133-00-189-9266INTERCHANGEABLE
DRILL,TWIST
8030-00-229-8736INTERCHANGEABLE
MOLDING COMPOUND
11420
5977-00-474-5837INTERCHANGEABLE
BRUSH BLOCK ASSEMBL
11420
4820-00-694-9718INTERCHANGEABLE
SEAT,VALVE
1972-02
5330-00-878-3955INTERCHANGEABLE
SEAL,OIL
11420
5120-01-061-0615INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW
2530-01-157-8016INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
5975-01-270-4510INTERCHANGEABLE
CLAMP,ELECTRICAL CONDUCTOR,STRAI
11420
2920-01-407-9235INTERCHANGEABLE
COVER,ELECTRICAL GENERATOR
114-20
5995-01-499-7945INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
11420

Frequently Asked Questions

What is NSN 4820-01-508-5651?

NSN 4820-01-508-5651 is a Valve,safety Relief, manufactured by Usi Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-508-5651?

NSN 4820-01-508-5651 has 3 cross-referenced part numbers: 12472965 (U S Army Tank Automotive Command Amsta-Im-Mm), 11420 (Usi Inc), 4820015085651 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales).

What NSN replaces 4820-01-508-5651?

There are 10 known substitutes for 4820-01-508-5651: 5133-00-189-9266, 8030-00-229-8736, 5977-00-474-5837 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11420?

Key specifications for 11420: Part Name Assigned by Controlling Agency: CHECK VALVE/AIR BLEED; End Item Identification: 2350-01-087-1095; WSD: M-1 ABRAMS TANK. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-508-5651 still in active supply?

NSN 4820-01-508-5651 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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