The O-Ring, cataloged under National Stock Number 5331-01-063-3728, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Keysight Technologies Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-063-3728 |
| Primary Part Number | 0900-0023 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.234 INCHES MINIMUM AND 0.244 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 |
|---|---|
| 0900-0023 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| MR8010 | 5/9 Secondary reference Minnesota Rubber Co |
| 0900-0023 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 0900-0023 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 5331-01-063-3728 is a O-Ring, manufactured by Keysight Technologies Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-063-3728 has 1 manufacturer part number on file: 0900-0023 (Keysight Technologies Inc).
1 possible match (shared part number, not a government interchangeability claim): 6625-01-141-8474. Verify interchangeability with system specifications before substitution.
Key specifications for 0900-0023: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 0.234 INCHES MINIMUM AND 0.244 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.