Valve, Relief, Pressure and Temper4820-01-291-8451
NSN 4820-01-291-8451 · NIIN 012918451 · Part number 1140-101
R & D Machine Rafael Anaya Div Defense Logistics Agency · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 8W880
Government record, cited
NSN 4820-01-291-8451 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-291-8451. Manufacturer of record part number: 1140-101.
Manufacturer of record: R & D Machine Rafael Anaya Div Defense Logistics Agency
Identification
NSN: 4820-01-291-8451
NIIN: 012918451
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1140-101
Manufacturer: R & D Machine Rafael Anaya Div Defense Logistics Agency
General Description
The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-291-8451, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is R & D Machine Rafael Anaya Div Defense Logistics Agency. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Valve,relief,pressure and Temper
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
R & D Machine Rafael Anaya Div Defense Logistics Agency (CAGE 8W880)
Technical Specifications
Parameter
Value
NSN
4820-01-291-8451
Primary Part Number
1140-101
Item Name
Valve,relief,pressure and Temper
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
R & D Machine Rafael Anaya Div Defense Logistics Agency
R & D Machine Rafael Anaya Div Defense Logistics Agency (USA)
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-291-8451?
NSN 4820-01-291-8451 is a Valve,relief,pressure and Temper, manufactured by R & D Machine Rafael Anaya Div Defense Logistics Agency, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-291-8451?
NSN 4820-01-291-8451 has 2 manufacturer part numbers on file: 1140-101 (R & D Machine Rafael Anaya Div Defense Logistics Agency), 1140 ITEM 1 (R & D Machine Rafael Anaya Div Defense Logistics Agency).
Is NSN 4820-01-291-8451 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.