The O-Ring, cataloged under National Stock Number 5331-01-088-2451, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Marathonnorco Aerospace, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-088-2451 |
| Primary Part Number | 67V3989-01 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Marathonnorco Aerospace, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.070 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 67V3989-01 PRIMARY | Marathonnorco Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| A1407-4 ITEM 27 | 5/9 Secondary reference Marathonnorco Aerospace, Inc. |
NSN 5331-01-088-2451 is a O-Ring, manufactured by Marathonnorco Aerospace, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-088-2451 has 1 manufacturer part number on file: 67V3989-01 (Marathonnorco Aerospace, Inc.).
Key specifications for 67V3989-01: Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC. 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.