The O-Ring, cataloged under National Stock Number 5331-01-046-3140, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Zf Industrieantriebe Witten Gmbh. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Zf Industrieantriebe Witten Gmbh (CAGE D9182); Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division (CAGE 18925) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-046-3140 |
| Primary Part Number | 78-137 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Zf Industrieantriebe Witten Gmbh |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 78-137 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 010463140 | Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division (USA) |
| Reference | Meaning |
|---|---|
| 78-137-000 | 3/9 Design control — primary reference U.S. Government activity |
| K41RB72112 | 5/9 Secondary reference U.S. Government activity |
| GRP78-137 | 5/9 Secondary reference U.S. Government activity |
| VRP-95-783 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-046-3140 is a O-Ring, manufactured by Zf Industrieantriebe Witten Gmbh, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-046-3140 has 2 manufacturer part numbers on file: 78-137 (Zf Industrieantriebe Witten Gmbh), 010463140 (Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division).
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.