NSN 4820-01-451-0722 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-451-0722. Manufacturer of record part number: 1820413.
Also searched as4820-01-451-0722 ·
4820014510722 ·
NIIN 014510722 ·
01-451-0722 ·
FSC 4820 Valves, Nonpowered · CAGE 03956 · 1820413
Operating Pressure: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Operation Method: AUTOMATIC
1 manufacturer part number on file
Manufacturer of record: Northrop Grumman Systems Corporation
Identification
NSN: 4820-01-451-0722
NIIN: 014510722
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1820413
Manufacturer: Northrop Grumman Systems Corporation
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-451-0722, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 3 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.
Technical Specifications
Parameter
Value
NSN
4820-01-451-0722
Primary Part Number
1820413
Item Name
Valve,safety Relief
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Northrop Grumman Systems Corporation
Status
ACTIVE
Style Designator
ANGLE
Operating Pressure
500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
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 4820-01-451-0722?
NSN 4820-01-451-0722 is a Valve,safety Relief, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-451-0722?
NSN 4820-01-451-0722 has 1 manufacturer part number on file: 1820413 (Northrop Grumman Systems Corporation).
What are the specifications of 1820413?
Key specifications for 1820413: Style Designator: ANGLE; Operating Pressure: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Operation Method: AUTOMATIC. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-451-0722 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.