The O-Ring, cataloged under National Stock Number 5331-00-867-6656, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Pall Aeropower Corporation. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-867-6656 |
| Primary Part Number | AA4825-1211D81 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| Cross-Sectional Height | 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.327 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| AA4825-1211D81 PRIMARY | Pall Aeropower Corporation (USA) |
NSN 5331-00-867-6656 is a O-Ring, manufactured by Pall Aeropower Corporation, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-867-6656 has 1 manufacturer part number on file: AA4825-1211D81 (Pall Aeropower Corporation).
Key specifications for AA4825-1211D81: Cross-Sectional Height: 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN; Center Hole Diameter: 0.327 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC. 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.