The O-Ring, cataloged under National Stock Number 5331-01-688-3937, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Gea Mechanical Equipment Us, Inc. Dba Westfalia Separator 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-688-3937 |
| Primary Part Number | 0007-1929-830 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Gea Mechanical Equipment Us, Inc. Dba Westfalia Separator Inc |
| Status | ACTIVE |
| Supplementary Features | 12X2 MM IN DIMENSIONS |
| Material | RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM |
| 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 |
|---|---|
| 0007-1929-830 | Gea Westfalia Separator Group Gmbh (DEU) |
| 0007-1929-830 PRIMARY | Gea Mechanical Equipment Us, Inc. Dba Westfalia Separator Inc (USA) |
NSN 5331-01-688-3937 is a O-Ring, manufactured by Gea Mechanical Equipment Us, Inc. Dba Westfalia Separator Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-688-3937 has 2 manufacturer part numbers on file: 0007-1929-830 (Gea Westfalia Separator Group Gmbh), 0007-1929-830 (Gea Mechanical Equipment Us, Inc. Dba Westfalia Separator Inc).
Key specifications for 0007-1929-830: Supplementary Features: 12X2 MM IN DIMENSIONS; Part Name Assigned by Controlling Agency: O-RING SEAL; Material: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM. 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.