The O-Ring, cataloged under National Stock Number 5331-01-043-9659, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Propulsion Systems, Inc.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-043-9659 |
| Primary Part Number | 13369-A |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Propulsion Systems, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.500 INCHES NOMINAL IN |
| Hardness Rating | 85.0 SHORE DUROMETER A MAXIMUM |
| Color | BLACK |
| Center Hole Diameter | 12.750 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 |
NSN 5331-01-043-9659 is a O-Ring, manufactured by Propulsion Systems, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-043-9659 has 2 manufacturer part numbers on file: M44069 (Propulsion Systems, Inc.), 13369-A (Propulsion Systems, Inc.).
Key specifications for 13369-A: Cross-Sectional Height: 0.500 INCHES NOMINAL IN; Hardness Rating: 85.0 SHORE DUROMETER A MAXIMUM; Color: BLACK; Special Features: OUTSIDE DIAMETER IS 14 INCHES INSIDE DIAMETER IS 13 INCHES THICKNESS IS1/2 INCH IN. 5 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.