The Stop,relief Valve, cataloged under National Stock Number 4820-01-180-7279, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-180-7279 |
| Primary Part Number | AB-A958-40D761 |
| Item Name | Stop,relief Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL CRES,COMP 300 SERIES |
| 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 |
|---|---|
| AB-A958-40D761 PRIMARY | Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (USA) |
| Reference | Meaning |
|---|---|
| AB-A958-40D761 | 5/9 Secondary reference Pall Aeropower Corporation |
NSN 4820-01-180-7279 is a Stop,relief Valve, manufactured by Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-180-7279 has 1 manufacturer part number on file: AB-A958-40D761 (Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div).
Key specifications for AB-A958-40D761: General Characteristics Item Description: MATERIAL CRES,COMP 300 SERIES; End Item Identification: PALL LAND AND MARINE CORP QUADRUPLEX FILTER ASSY PART NO. AJ-A958-401. 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.