NSN 4820-01-646-3805 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-646-3805. Manufacturer of record part number: 0022428A.
Also searched as4820-01-646-3805 ·
4820016463805 ·
NIIN 016463805 ·
01-646-3805 ·
FSC 4820 Valves, Nonpowered · CAGE 09096 · 0022428A
Nominal Pipe Size Accommodated: 1.25 INCHES SECOND END IN
Nominal Pipe Size Accommodated: 0.75 INCHES FIRST END IN
Material: STEEL CORROSION RESISTING BODY
1 manufacturer part number on file
Manufacturer of record: Electro Steam Generator Corporation
Identification
NSN: 4820-01-646-3805
NIIN: 016463805
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 0022428A
Manufacturer: Electro Steam Generator Corporation
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-646-3805, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Electro Steam Generator 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.
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 4820-01-646-3805?
NSN 4820-01-646-3805 is a Valve,safety Relief, manufactured by Electro Steam Generator Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-646-3805?
NSN 4820-01-646-3805 has 1 manufacturer part number on file: 0022428A (Electro Steam Generator Corporation).
What are the specifications of 0022428A?
Key specifications for 0022428A: Nominal Pipe Size Accommodated: 1.25 INCHES SECOND END IN; Nominal Pipe Size Accommodated: 0.75 INCHES FIRST END IN; Part Name Assigned by Controlling Agency: VALVE SAFETY 100PSI; End Item Identification: STEAM GENERATOR. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-646-3805 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.