The O-Ring, cataloged under National Stock Number 5331-01-720-7718, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Usa Industrials, Inc. Government technical data includes 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-720-7718 |
| Primary Part Number | ZUSAV90456 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Usa Industrials, Inc |
| Status | ACTIVE |
| Temp Rating | -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Operating Medium | OIL OR WATER OR HIGH TEMPERATURE |
| Outside Diameter | 356.24 MILLIMETERS NOMINAL MM |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Color | BLACK |
| Center Hole Diameter | 342.27 MILLIMETERS NOMINAL MM |
| Material | FLUOROCARBON RUBBER |
| 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 |
|---|---|
| ZUSAV90456 PRIMARY | Usa Industrials, Inc (USA) |
NSN 5331-01-720-7718 is a O-Ring, manufactured by Usa Industrials, Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-720-7718 has 1 manufacturer part number on file: ZUSAV90456 (Usa Industrials, Inc).
Key specifications for ZUSAV90456: Temp Rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Operating Medium: OIL OR WATER OR HIGH TEMPERATURE; Outside Diameter: 356.24 MILLIMETERS NOMINAL MM; Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL. 7 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.