The O-Ring, cataloged under National Stock Number 5331-01-439-8908, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Shinko Ind. Ltd. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Shinko Ind. Ltd (CAGE J2317) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-439-8908 |
| Primary Part Number | C-125100MAPC31 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Shinko Ind. Ltd |
| 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 |
|---|---|
| C-125100MAPC31 PRIMARY | Shinko Ind. Ltd (JPN) |
| Reference | Meaning |
|---|---|
| C-125100MAPC31 | 5/9 Secondary reference Fuji Trading America Inc |
| C-125100MAPC31 | 3/9 Design control — primary reference Shinko Ind. Ltd |
NSN 5331-01-439-8908 is a O-Ring, manufactured by Shinko Ind. Ltd, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-439-8908 has 1 manufacturer part number on file: C-125100MAPC31 (Shinko Ind. Ltd).
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.