The O-Ring, cataloged under National Stock Number 5331-01-457-0768, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-457-0768 |
| Primary Part Number | 1223772 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| 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 |
|---|---|
| 122-3772 | Navantia - Propulsion Y Energia Motores - Cartagena (ESP) |
| 18KP813 | Oshkosh Defense Llc (USA) |
| 122-3772 | William Adams Pty Ltd (AUS) |
| 1223772 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 10076298 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 18KP813 | 5/9 Secondary reference Oshkosh Corp |
NSN 5331-01-457-0768 is a O-Ring, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-457-0768 has 4 manufacturer part numbers on file: 122-3772 (Navantia - Propulsion Y Energia Motores - Cartagena), 18KP813 (Oshkosh Defense Llc), 122-3772 (William Adams Pty Ltd), 1223772 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 1223772: End Item Identification: LOGISTICS SUPPORT VESSEL. 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.