The O-Ring, cataloged under National Stock Number 5331-01-069-9311, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-069-9311 |
| Primary Part Number | 562809 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Cross-Sectional Height | 0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.326 INCHES MINIMUM AND 1.350 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 |
|---|---|
| 3143577 | Aerobase Group Inc (USA) |
| 562809 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 352250019944 | Thales Nederland (NLD) |
| Reference | Meaning |
|---|---|
| 5331PL0896292 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5-157-V747-75 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 562809 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 3143577 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5331-01-069-9311 is a O-Ring, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-069-9311 has 3 manufacturer part numbers on file: 3143577 (Aerobase Group Inc), 562809 (Lockheed Martin Corporation Div Rms), 352250019944 (Thales Nederland).
Key specifications for 562809: Cross-Sectional Height: 0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN; Center Hole Diameter: 1.326 INCHES MINIMUM AND 1.350 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.