The O-Ring, cataloged under National Stock Number 5331-01-680-4397, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Hiab Usa Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-680-4397 |
| Primary Part Number | 9921427 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Hiab Usa Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 3.0 MILLIMETERS NOMINAL MM |
| Center Hole Diameter | 18.0 MILLIMETERS NOMINAL MM |
| Material | PLASTIC |
| 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 |
|---|---|
| 9921427 PRIMARY | Hiab Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| 4466445 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5331-01-680-4397 is a O-Ring, manufactured by Hiab Usa Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-680-4397 has 1 manufacturer part number on file: 9921427 (Hiab Usa Inc).
Key specifications for 9921427: Cross-Sectional Height: 3.0 MILLIMETERS NOMINAL MM; Center Hole Diameter: 18.0 MILLIMETERS NOMINAL MM; End Item Identification: 2320-01-534-1887; Material: PLASTIC. 3 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.