The O-Ring, cataloged under National Stock Number 5331-01-451-1722, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Atap, Inc. Dba Association of at Act Programs. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Atap, Inc. Dba Association of at Act Programs (CAGE 6CY22) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-451-1722 |
| Primary Part Number | 157146 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Atap, Inc. Dba Association of at Act Programs |
| 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 |
|---|---|
| 157146 PRIMARY | Atap, Inc. Dba Association of at Act Programs (USA) |
| Reference | Meaning |
|---|---|
| 157146 | 3/9 Design control — primary reference Prince Alexander Partners Inc Div Architecture Engieering and Economic Development |
NSN 5331-01-451-1722 is a O-Ring, manufactured by Atap, Inc. Dba Association of at Act Programs, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-451-1722 has 1 manufacturer part number on file: 157146 (Atap, Inc. Dba Association of at Act Programs).
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.