The O-Ring, cataloged under National Stock Number 5331-00-508-0555, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-508-0555 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Temp Rating | 275.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 51538-42 | 5/1 Secondary reference Solventum Purification Inc. Div Filtration and Separation Division |
| 89105-16 | 3/1 Design control — primary reference Solventum Purification Inc. Div Filtration and Separation Division |
| 51588PC33 | 5/1 Secondary reference Solventum Purification Inc. Div Filtration and Separation Division |
NSN 5331-00-508-0555 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-00-508-0555: Temp Rating: 275.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Center Hole Diameter: 1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 5 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.