NSN 4820-01-273-1282 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-273-1282. Manufacturer of record part number: 55-22122-12.
Also searched as4820-01-273-1282 ·
4820012731282 ·
NIIN 012731282 ·
01-273-1282 ·
FSC 4820 Valves, Nonpowered · CAGE 52081 · 55-22122-12
Nominal Outside Diameter Tube Accommodated: 0.375 INCHES ALL ENDS IN
Nominal Outside Diameter Tube Accommodated: 0.375 INCHES ALL ENDSUNABLE TO DECODE IN
Thread Direction: RIGHT-HAND ALL ENDS
Nominal Thread Size: 0.562 INCHES ALL ENDS IN
Material: STEEL COMP 316 BODY
Thread Series Designator: UNF ALL ENDS
Identification
NSN: 4820-01-273-1282
NIIN: 012731282
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 55-22122-12
Manufacturer: Euramco Safety Inc
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-273-1282, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Euramco Safety Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-273-1282?
NSN 4820-01-273-1282 is a Valve,safety Relief, manufactured by Euramco Safety Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-273-1282?
NSN 4820-01-273-1282 has 1 manufacturer part number on file: 55-22122-12 (Euramco Safety Inc).
What are the specifications of 55-22122-12?
Key specifications for 55-22122-12: Connection Type: THREADED INTERNAL TUBE ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.375 INCHES ALL ENDS IN; Nominal Outside Diameter Tube Accommodated: 0.375 INCHES ALL ENDSUNABLE TO DECODE IN; Thread Direction: RIGHT-HAND ALL ENDS. 7 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-273-1282 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.