The O-Ring, cataloged under National Stock Number 5331-01-044-2307, 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 3 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-044-2307 |
| Primary Part Number | J221P975 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Cross-Sectional Height | 0.132 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN |
| Center Hole Diameter | 13.386 INCHES MINIMUM AND 13.516 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 |
|---|---|
| J221P975 | Ge Avio Srl (ITA) |
| J221P975 | Fincantieri S.p.a. Div Direzione Navi Militari (ITA) |
| J221P975 PRIMARY | General Electric Company (USA) |
| XPG0261500061 | Rolls-Royce Solutions Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 5331PL0631633 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5331-01-044-2307 is a O-Ring, manufactured by General Electric Company, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-044-2307 has 4 manufacturer part numbers on file: J221P975 (Ge Avio Srl), J221P975 (Fincantieri S.p.a. Div Direzione Navi Militari), J221P975 (General Electric Company), XPG0261500061 (Rolls-Royce Solutions Gmbh).
Key specifications for J221P975: Cross-Sectional Height: 0.132 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN; Center Hole Diameter: 13.386 INCHES MINIMUM AND 13.516 INCHES MAXIMUM IN; Material: RUBBER FLUOROCARBON CLASS FPM. 3 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.