NSN 4810-01-508-9294 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-508-9294. Manufacturer of record part number: AV279731-1 ITEM 25.
Manufacturer of record: Automatic Switch Company Dba Asco
Identification
NSN: 4810-01-508-9294
NIIN: 015089294
FSC: 4810 — Valves, Powered
FSG: 48 — Valves
Primary part number: AV279731-1 ITEM 25
Manufacturer: Automatic Switch Company Dba Asco
General Description
The Disk,valve, cataloged under National Stock Number 4810-01-508-9294, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Automatic Switch Company Dba Asco. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Disk,valve
FSC / FSG
4810 — Valves, Powered (FSG 48)
Manufacturers
Automatic Switch Company Dba Asco (CAGE 04845)
Technical Specifications
Parameter
Value
NSN
4810-01-508-9294
Primary Part Number
AV279731-1 ITEM 25
Item Name
Disk,valve
FSC / FSG
4810 / 48 — Valves, Powered
Manufacturer
Automatic Switch Company Dba Asco
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4810-01-508-9300AV279731-1 ITEM 23POSSIBLE MATCH
BODY PIN ASSEMBLY
Possible match (shared part number)Automatic Switch Company Dba Asco
4810-01-508-9306AV279731-1 ITEM 18POSSIBLE MATCH
PISTON,VALVE
Possible match (shared part number)Automatic Switch Company Dba Asco
4810-01-508-9310AV279731-1 ITEM 7POSSIBLE MATCH
RETAINER,METERING
Possible match (shared part number)Automatic Switch Company Dba Asco
4810-01-508-9311AV279731-1 ITEM 19POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Automatic Switch Company Dba Asco
NSN 4810-01-508-9294 is a Disk,valve, manufactured by Automatic Switch Company Dba Asco, classified under FSC 4810, Valves, Powered. Status: active.
What part numbers are listed for NSN 4810-01-508-9294?
NSN 4810-01-508-9294 has 2 manufacturer part numbers on file: 254838-002 (Automatic Switch Company Dba Asco), AV279731-1 ITEM 25 (Automatic Switch Company Dba Asco).
What NSN replaces 4810-01-508-9294?
4 possible matches (shared part number, not a government interchangeability claim): 4810-01-508-9300, 4810-01-508-9306, 4810-01-508-9310. Verify interchangeability with system specifications before substitution.
Is NSN 4810-01-508-9294 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.