The O-Ring, cataloged under National Stock Number 5331-01-428-3591, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Allied Healthcare Products, Inc. Dba Allied. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Allied Healthcare Products, Inc. Dba Allied (CAGE 62842) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-428-3591 |
| Primary Part Number | 560-636-006 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Allied Healthcare Products, Inc. Dba Allied |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 560-636-006 PRIMARY | Allied Healthcare Products, Inc. Dba Allied (USA) |
| Reference | Meaning |
|---|---|
| 560-636-006 | 3/9 Design control — primary reference Life Support Products Inc |
NSN 5331-01-428-3591 is a O-Ring, manufactured by Allied Healthcare Products, Inc. Dba Allied, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-428-3591 has 1 manufacturer part number on file: 560-636-006 (Allied Healthcare Products, Inc. Dba Allied).
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.