The O-Ring, cataloged under National Stock Number 5331-01-532-9545, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Steyr Motors North America, Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-01-532-9545 |
| Primary Part Number | 2178483/0 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Steyr Motors North America, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 3.5 MILLIMETERS NOMINAL MM |
| Center Hole Diameter | 120.2 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 2178483/0 | Steyr Motors North America, Inc. (USA) |
| 2178483/0 | Mcintyre Equipment Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 2178483/0 | 5/9 Secondary reference Steyr Motors Gmbh |
| 2178483/0 | 3/9 Design control — primary reference Steyr Motors Gmbh |
| 2178483/0 | 5/9 Secondary reference U.s. Defense Services, Inc. Dba Usds |
NSN 5331-01-532-9545 is a O-Ring, manufactured by Steyr Motors North America, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-532-9545 has 2 manufacturer part numbers on file: 2178483/0 (Steyr Motors North America, Inc.), 2178483/0 (Mcintyre Equipment Pty Ltd).
Key specifications for 2178483/0: Cross-Sectional Height: 3.5 MILLIMETERS NOMINAL MM; Center Hole Diameter: 120.2 MILLIMETERS NOMINAL MM; End Item Identification: INTERCOOLER FOR A 256 MARINE SOLAS. 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.