The O-Ring, cataloged under National Stock Number 5331-01-623-0571, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ritchie Engineering Co Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-623-0571 |
| Primary Part Number | 69564 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Ritchie Engineering Co Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 69564 PRIMARY | Ritchie Engineering Co Inc (USA) |
NSN 5331-01-623-0571 is a O-Ring, manufactured by Ritchie Engineering Co Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-623-0571 has 1 manufacturer part number on file: 69564 (Ritchie Engineering Co Inc).
Key specifications for 69564: Part Name Assigned by Controlling Agency: O-RING 2 AND 4 OZ INJECTOR (5 PK) OZ; End Item Identification: NSN 4120-01-541-4688. 0 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.