The O-Ring, cataloged under National Stock Number 5331-01-443-6017, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-443-6017 |
| Primary Part Number | J221P028 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Material Document and Classification | MIL-R-83248 TYPE I, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Color | BLACK |
| Center Hole Diameter | 1.351 INCHES MINIMUM AND 1.377 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| J221P028 | Bright Lights Usa, Inc Dba Blusa Defense Manufacturing (USA) |
| J221P028 | Gali Corporation Dba Dynamation Research (USA) |
| J221P028 | Wencor Group Llc (USA) |
| J221P028 | Ge Avio Srl (ITA) |
| J221P028 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| J221P028 | 5/2 Secondary reference U.S. Government activity |
| 5331PL1990480 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| J221P028 | 5/9 Secondary reference Cfm International Inc Dba Cfm International |
NSN 5331-01-443-6017 is a O-Ring, manufactured by General Electric Company, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-443-6017 has 5 manufacturer part numbers on file: J221P028 (Bright Lights Usa, Inc Dba Blusa Defense Manufacturing), J221P028 (Gali Corporation Dba Dynamation Research), J221P028 (Wencor Group Llc), J221P028 (Ge Avio Srl), J221P028 (General Electric Company).
Key specifications for J221P028: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; Material Document and Classification: MIL-R-83248 TYPE I, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE; Color: BLACK. 6 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.