The O-Ring, cataloged under National Stock Number 5331-00-483-3178, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is International Business Machines Corporation Dba IBM. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-483-3178 |
| Primary Part Number | 2154120 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | International Business Machines Corporation Dba IBM |
| Status | ACTIVE |
| Cross-Sectional Height | 0.064 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 |
|---|---|
| 2154120 PRIMARY | International Business Machines Corporation Dba IBM (USA) |
| Reference | Meaning |
|---|---|
| 903-8307 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 2154120 | 5/9 Secondary reference International Business Machines Corp Parts Order Center Dept E - 54 |
NSN 5331-00-483-3178 is a O-Ring, manufactured by International Business Machines Corporation Dba IBM, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-483-3178 has 1 manufacturer part number on file: 2154120 (International Business Machines Corporation Dba IBM).
Key specifications for 2154120: Cross-Sectional Height: 0.064 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 2 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.