The Parts Kit,pressure Regulating VA, cataloged under National Stock Number 4820-01-048-7637, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fairchild Industrial Products Company. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-048-7637 |
| Primary Part Number | 12125-1 |
| Item Name | Parts Kit,pressure Regulating VA |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fairchild Industrial Products Company |
| Status | ACTIVE |
| Component Quantity | 5 |
| Document Type | MAINTENANCE PARTS LIST |
| End Item Source | 07282 |
| Criticality Code Justification | FEAT |
| Component Document Origin | INDUSTRIAL |
| End Item Name | FLUID PRESSURE REGULATING VALVE |
| Nonsupply Items and Quantities | 07282 6091-1 DIAPHRAGM ASSEMBLY 1,07282 6053 SEAL PLATE GASKET 1,07282 6070 SEAT RING 1,07282 1820 INNER VALVE ASSEMBLY 1,07282 7156 O-RING 1 |
| Document Source | 07282 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 12125-1 PRIMARY | Fairchild Industrial Products Company (USA) |
| Reference | Meaning |
|---|---|
| EA12125-1 | 5/9 Secondary reference Fairchild Industrial Products Company |
NSN 4820-01-048-7637 is a Parts Kit,pressure Regulating VA, manufactured by Fairchild Industrial Products Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-048-7637 has 1 manufacturer part number on file: 12125-1 (Fairchild Industrial Products Company).
1 possible match (shared part number, not a government interchangeability claim): 4130-01-306-9535. Verify interchangeability with system specifications before substitution.
Key specifications for 12125-1: Component Quantity: 5; Document Type: MAINTENANCE PARTS LIST; End Item Source: 07282; Criticality Code Justification: FEAT. 8 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.
NSN 4820-01-048-7637 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.