NSN 4820-01-651-9057 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-651-9057. Manufacturer of record part number: WARREN-853-S 1.50IN NO.7.
Material Document and Classification: ASTM A194 GR.8MA ASSN STD SINGLE MATERIAL RESPONSE
1 manufacturer part number on file
Manufacturer of record: Warren Alloy Valve and Fitting Co Inc
Identification
NSN: 4820-01-651-9057
NIIN: 016519057
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: WARREN-853-S 1.50IN NO.7
Manufacturer: Warren Alloy Valve and Fitting Co Inc
General Description
The Retainer,disk,valve, cataloged under National Stock Number 4820-01-651-9057, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Warren Alloy Valve and Fitting Co Inc. Government technical data includes 1 specification, 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
4820-01-651-9057
Primary Part Number
WARREN-853-S 1.50IN NO.7
Item Name
Retainer,disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Warren Alloy Valve and Fitting Co Inc
Status
ACTIVE
Material Document and Classification
ASTM A194 GR.8MA ASSN STD SINGLE MATERIAL RESPONSE
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 4820-01-651-9057?
NSN 4820-01-651-9057 is a Retainer,disk,valve, manufactured by Warren Alloy Valve and Fitting Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-651-9057?
NSN 4820-01-651-9057 has 1 manufacturer part number on file: WARREN-853-S 1.50IN NO.7 (Warren Alloy Valve and Fitting Co Inc).
What are the specifications of WARREN-853-S 1.50IN NO.7?
Key specifications for WARREN-853-S 1.50IN NO.7: Material Document and Classification: ASTM A194 GR.8MA ASSN STD SINGLE MATERIAL RESPONSE; Part Name Assigned by Controlling Agency: DISC NUT; End Item Identification: SWING CHECK VALVE. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-651-9057 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.