The O-Ring, cataloged under National Stock Number 5331-00-239-8458, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Div Corp. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-239-8458 |
| Primary Part Number | YA287-1023REV0PT1 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Raytheon Company Div Corp |
| Status | ACTIVE |
| Cross-Sectional Height | 0.131 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN |
| Center Hole Diameter | 24.220 INCHES MINIMUM AND 24.280 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 |
|---|---|
| YA287-1023REV0PT1 PRIMARY | Raytheon Company Div Corp (USA) |
| Reference | Meaning |
|---|---|
| PURCHASEDET5330-229-6 | 5/9 Secondary reference U.S. Government activity |
| MILR900 | 4/1 Identification reference U.S. Government activity |
| PD5330-229-6 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-00-239-8458 is a O-Ring, manufactured by Raytheon Company Div Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-239-8458 has 1 manufacturer part number on file: YA287-1023REV0PT1 (Raytheon Company Div Corp).
Key specifications for YA287-1023REV0PT1: Cross-Sectional Height: 0.131 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN; Center Hole Diameter: 24.220 INCHES MINIMUM AND 24.280 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.