The O-Ring, cataloged under National Stock Number 5331-00-812-5284, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Aerojet Rocketdyne Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-812-5284 |
| Primary Part Number | AS8040H3-912 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Aerojet Rocketdyne Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.116 INCHES NOMINAL 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 |
|---|---|
| AS8040H3-912 PRIMARY | Aerojet Rocketdyne Inc (USA) |
| Reference | Meaning |
|---|---|
| AS8040H1-912 | 5/9 Secondary reference Aerojet Rocketdyne Inc |
| AS4004-912 | 5/9 Secondary reference Aerojet Rocketdyne Inc |
NSN 5331-00-812-5284 is a O-Ring, manufactured by Aerojet Rocketdyne Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-812-5284 has 1 manufacturer part number on file: AS8040H3-912 (Aerojet Rocketdyne Inc).
Key specifications for AS8040H3-912: Cross-Sectional Height: 0.116 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC. 2 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.