The O-Ring, cataloged under National Stock Number 5331-00-530-1998, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 34 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-530-1998 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | CANCELLED |
| Cross-Sectional Height | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Center Hole Diameter | 15.445 INCHES MINIMUM AND 15.505 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| N304-7-87 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 145D826REVAPC4 | 5/9 Secondary reference General Electric Company |
| AN6227PC87 | 5/9 Secondary reference U.S. Government activity |
| 289-1004P87 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company Div Corp |
| 3267068REVAPC4 | 5/9 Secondary reference U.S. Government activity |
| PS1-30-5-B87 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 3600-254REVAPCAN6227-87 | 5/9 Secondary reference U.S. Government activity |
| 403-2409-984517ALT1PC24 | 5/9 Secondary reference U.S. Government activity |
| 3671-17REVAPC35 | 5/9 Secondary reference U.S. Government activity |
| PS1-30-5-87 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| AN6227B87 | 5/9 Secondary reference U.S. Government activity |
| KF52-539-200PC163 | 5/9 Secondary reference Gpe Controls, Inc Dba Shand & Jurs |
| 3267077REVAPC4 | 5/9 Secondary reference U.S. Government activity |
| 3771-11REVA | 5/9 Secondary reference U.S. Government activity |
| 250S87 | 5/9 Secondary reference Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
| 250S87 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
| AN6227-87 | 2/2 Government specification standardization U.S. Government activity |
| 510149A | 5/9 Secondary reference Smiths Detection Inc. Dba Smiths Detection Inc Casc |
| 3700-254REVBPC6227-87 | 5/9 Secondary reference U.S. Government activity |
| 416-2409-72483ALT13PCE3 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-00-530-1998 is a O-Ring, classified under FSC 5331, O-ring. Status: cancelled.
1 possible match (shared part number, not a government interchangeability claim): 5331-01-146-8660. Verify interchangeability with system specifications before substitution.
Key specifications for 5331-00-530-1998: Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Center Hole Diameter: 15.445 INCHES MINIMUM AND 15.505 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 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.
NSN 5331-00-530-1998 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.