The O-Ring, cataloged under National Stock Number 5331-01-517-2294, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ssp Fittings 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-517-2294 |
| Primary Part Number | Q4R |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Ssp Fittings Corp |
| Status | ACTIVE |
| Cross-Sectional Height | 0.130 INCHES NOMINAL IN |
| Center Hole Diameter | 0.990 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 |
|---|---|
| Q4R PRIMARY | Ssp Fittings Corp (USA) |
| Reference | Meaning |
|---|---|
| 161K0228-5 | 5/9 Secondary reference Drs Environmental Systems Inc |
| 161K0000 ITEM 65 | 5/9 Secondary reference Drs Environmental Systems Inc |
| 161K0228 PN Q4R | 5/9 Secondary reference Drs Environmental Systems Inc |
| 161K0228-5 | 7/9 Vendor item drawing reference U.S. Government activity |
| 161K0000 ITEM 65 | 5/9 Secondary reference U.S. Government activity |
| 161K0228 PN Q4R | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 161K0228 PN Q4R | 5/9 Secondary reference U.S. Government activity |
| 161K0228-5 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 161K0000 ITEM 65 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5331-01-517-2294 is a O-Ring, manufactured by Ssp Fittings Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-517-2294 has 1 manufacturer part number on file: Q4R (Ssp Fittings Corp).
Key specifications for Q4R: Cross-Sectional Height: 0.130 INCHES NOMINAL IN; Special Features: UNION SIZE 3/4 INCH IN; Center Hole Diameter: 0.990 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: SEAL, UNION. 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.