The Core,subassembly, cataloged under National Stock Number 4810-01-090-6531, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Automatic Switch Company Dba Asco. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-090-6531 |
| Primary Part Number | HV82-098-52 |
| Item Name | Core,subassembly |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Automatic Switch Company Dba Asco |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF 1 EA BUNA-N DISC,PART NO. GV-176-332-7; 1 EA CRES CORE,PART NO. FV-180-250-1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AV172-731 ITEM 18 | Automatic Switch Company Dba Asco (USA) |
| HV82-098-52 PRIMARY | Automatic Switch Company Dba Asco (USA) |
| GV-82-098-52 | Automatic Switch Company Dba Asco (USA) |
| Reference | Meaning |
|---|---|
| AV172-731 | D/9 Drawing number reference only Automatic Switch Company Dba Asco |
NSN 4810-01-090-6531 is a Core,subassembly, manufactured by Automatic Switch Company Dba Asco, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-090-6531 has 3 manufacturer part numbers on file: AV172-731 ITEM 18 (Automatic Switch Company Dba Asco), HV82-098-52 (Automatic Switch Company Dba Asco), GV-82-098-52 (Automatic Switch Company Dba Asco).
2 possible matches (shared part number, not a government interchangeability claim): 5342-01-112-6322, 4810-01-188-1787. Verify interchangeability with system specifications before substitution.
Key specifications for HV82-098-52: General Characteristics Item Description: CONSISTS OF 1 EA BUNA-N DISC,PART NO. GV-176-332-7; 1 EA CRES CORE,PART NO. FV-180-250-1. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.