The O-Ring, cataloged under National Stock Number 5331-00-420-5921, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Applied Power Inc Power Packer. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-420-5921 |
| Primary Part Number | B710-503 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Applied Power Inc Power Packer |
| Status | ACTIVE |
| Cross-Sectional Height | 0.062 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 |
|---|---|
| B710-503 | Applied Power Inc Power Packer (USA) |
| Reference | Meaning |
|---|---|
| B710-503 | 3/9 Design control — primary reference Enerpac Tool Group Corp |
NSN 5331-00-420-5921 is a O-Ring, manufactured by Applied Power Inc Power Packer, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-420-5921 has 1 manufacturer part number on file: B710-503 (Applied Power Inc Power Packer).
Key specifications for B710-503: Cross-Sectional Height: 0.062 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.