The O-Ring, cataloged under National Stock Number 5331-01-324-8279, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Mpower Projects Pty Limited. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Mpower Projects Pty Limited (CAGE Z4781); Star Power Services Inc (CAGE 0GUY0) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-324-8279 |
| Primary Part Number | DF01-302-4 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Mpower Projects Pty Limited |
| 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 |
|---|---|
| DF01-302-4 | Mpower Projects Pty Limited (AUS) |
| 103338-32570 | Star Power Services Inc (USA) |
| Reference | Meaning |
|---|---|
| 103338-32570 | 3/9 Design control — primary reference Yanmar Diesel America Corp |
| 103338-32570 | C/1 Advisory reference — outside the item-of-supply concept Yanmar America Corporation |
| 5331PL0807252 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5331-01-324-8279 is a O-Ring, manufactured by Mpower Projects Pty Limited, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-324-8279 has 2 manufacturer part numbers on file: DF01-302-4 (Mpower Projects Pty Limited), 103338-32570 (Star Power Services Inc).
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.