Valve, Relief, Pressure and Temper4820-01-073-1437
NSN 4820-01-073-1437 · NIIN 010731437 · Part number 22240
American Bristol Industries Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 55612
Government record, cited
NSN 4820-01-073-1437 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-073-1437. Manufacturer of record part number: 22240.
Also searched as4820-01-073-1437 ·
4820010731437 ·
NIIN 010731437 ·
01-073-1437 ·
FSC 4820 Valves, Nonpowered · CAGE 55612 · 22240
Manufacturer of record: American Bristol Industries Inc.
Identification
NSN: 4820-01-073-1437
NIIN: 010731437
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 22240
Manufacturer: American Bristol Industries Inc.
General Description
The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-073-1437, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is American Bristol Industries Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Valve,relief,pressure and Temper
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
American Bristol Industries Inc. (CAGE 55612)
Technical Specifications
Parameter
Value
NSN
4820-01-073-1437
Primary Part Number
22240
Item Name
Valve,relief,pressure and Temper
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
American Bristol Industries Inc.
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-01-128-8168RLA12SM-4-000POSSIBLE MATCH
WASHER,LOCK
Possible match (shared part number)Howmet Global Fastening Systems Inc Div Rosan Products
NSN 4820-01-073-1437 is a Valve,relief,pressure and Temper, manufactured by American Bristol Industries Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-073-1437?
NSN 4820-01-073-1437 has 1 manufacturer part number on file: 22240 (American Bristol Industries Inc.).
What NSN replaces 4820-01-073-1437?
3 possible matches (shared part number, not a government interchangeability claim): 5310-01-128-8168, 1740-01-481-0034, 6850-01-617-5162. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-073-1437 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.