NSN 4820-01-679-0537 · NIIN 016790537 · Part number B-51019-2
Mirada Research & Manufacturing, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 08407
Government record, cited
NSN 4820-01-679-0537 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-679-0537. Manufacturer of record part number: B-51019-2.
Also searched as4820-01-679-0537 ·
4820016790537 ·
NIIN 016790537 ·
01-679-0537 ·
FSC 4820 Valves, Nonpowered · CAGE 08407 · B-51019-2
Manufacturer of record: Mirada Research & Manufacturing, Inc.
Identification
NSN: 4820-01-679-0537
NIIN: 016790537
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: B-51019-2
Manufacturer: Mirada Research & Manufacturing, Inc.
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-679-0537, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mirada Research & Manufacturing, Inc.. Government technical data includes 2 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.
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 4820-01-679-0537?
NSN 4820-01-679-0537 is a Valve,safety Relief, manufactured by Mirada Research & Manufacturing, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-679-0537?
NSN 4820-01-679-0537 has 1 manufacturer part number on file: B-51019-2 (Mirada Research & Manufacturing, Inc.).
What are the specifications of B-51019-2?
Key specifications for B-51019-2: Style Designator: STRAIGHT THRU FLANGED ENDS; Special Features: FLANGE INTERFACE THREAD, WRENCH HEX SIZE 1 3/8 INCH. IN; Part Name Assigned by Controlling Agency: VALVE,SAFETY RELIEF; Material: ALUMINUM OVERALL. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-679-0537 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.