The O-Ring, cataloged under National Stock Number 5331-00-780-8991, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Dynex/rivett Corp Power Units and Systems. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-00-780-8991 |
| Primary Part Number | 95000-218 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Dynex/rivett Corp Power Units and Systems |
| Status | ACTIVE |
| Cross-Sectional Height | 0.125 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 95000-218 PRIMARY | Dynex/rivett Corp Power Units and Systems (USA) |
| Reference | Meaning |
|---|---|
| J120A CL1 SIZE218 | 5/9 Secondary reference U.S. Government activity |
| J120A CL1 SIZE218 | 5/1 Secondary reference Sae International Dba Sae International |
NSN 5331-00-780-8991 is a O-Ring, manufactured by Dynex/rivett Corp Power Units and Systems, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-780-8991 has 1 manufacturer part number on file: 95000-218 (Dynex/rivett Corp Power Units and Systems).
Key specifications for 95000-218: Cross-Sectional Height: 0.125 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 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.