The O-Ring, cataloged under National Stock Number 5331-00-285-9880, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Hatch & Kirk, Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-285-9880 |
| Primary Part Number | N21249PC16 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.125 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR |
| 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 |
|---|---|
| N21249PC16 PRIMARY | Hatch & Kirk, Inc. (USA) |
| N12788PC22 PRIMARY | Hatch & Kirk, Inc. (USA) |
| N12788PC22 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| NX14289PC22 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| N4779PC22 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| N5789PC22 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| N21249PC16 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| N21249PC16 | 5/9 Secondary reference General Motors Corp |
| N12788PC22 | 5/9 Secondary reference General Motors Corp |
| NX14289PC22 | 5/9 Secondary reference General Motors Corp |
| N4779PC22 | 5/9 Secondary reference General Motors Corp |
| N12788PC22 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| NX14289PC22 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| N5789PC22 | 5/9 Secondary reference General Motors Corp |
| N21249PC16 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 5331-00-285-9880 is a O-Ring, manufactured by Hatch & Kirk, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-285-9880 has 7 manufacturer part numbers on file: N21249PC16 (Hatch & Kirk, Inc.), N12788PC22 (Hatch & Kirk, Inc.), N12788PC22 (General Motors Llc Dba General Motors Llc), NX14289PC22 (General Motors Llc Dba General Motors Llc), N4779PC22 (General Motors Llc Dba General Motors Llc) and 2 more.
Key specifications for N21249PC16: Cross-Sectional Height: 0.125 INCHES NOMINAL IN; Material: RUBBER CHLOROPRENE CLASS CR. 2 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.