The Seat,valve, cataloged under National Stock Number 4820-01-262-1064, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is W & O Supply Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-262-1064 |
| Primary Part Number | A0070 0004/22222-0006 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | W & O Supply Inc |
| Status | ACTIVE |
| Material Document and Classification | B127 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material | NICKEL ALLOY SEAT |
| 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 |
|---|---|
| A0070 0004/22222-0006 | W & O Supply Inc (USA) |
| A0070 0004/22222-0006 | W. & O. Supply, Inc. Div Mobile (USA) |
| Reference | Meaning |
|---|---|
| A0070-0004 | 5/9 Secondary reference Mcc Holdings, Inc. Dba Crane Valve North America Use CAGE Code 59309 for Cataloging |
| A0070 0004/22222-0006 | 3/9 Design control — primary reference Mcc Holdings, Inc. Dba Crane Valve North America Div Crane Chempharma & Energy |
NSN 4820-01-262-1064 is a Seat,valve, manufactured by W & O Supply Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-262-1064 has 2 manufacturer part numbers on file: A0070 0004/22222-0006 (W & O Supply Inc), A0070 0004/22222-0006 (W. & O. Supply, Inc. Div Mobile).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-281-5907, 4820-01-643-5751. Verify interchangeability with system specifications before substitution.
Key specifications for A0070 0004/22222-0006: Material Document and Classification: B127 ASSN STD SINGLE MATERIAL RESPONSE SEAT; Material: NICKEL ALLOY SEAT. 2 specifications are 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.