The O-Ring, cataloged under National Stock Number 5331-01-570-2389, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Fascan International, Inc.. Government technical data includes 7 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 | 5331-01-570-2389 |
| Primary Part Number | MIL-001-598 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Fascan International, Inc. |
| Status | ACTIVE |
| Temp Rating | -35.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 1.6 MILLIMETERS NOMINAL MM |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Material Document and Classification | ASTM D2000 ASSN STD SINGLE MATERIAL RESPONSE |
| Color | BLACK |
| Center Hole Diameter | 5.1 MILLIMETERS NOMINAL MM |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| MIL-001-598 PRIMARY | Fascan International, Inc. (USA) |
| 9262K136 | Mcmaster-Carr Supply Co (USA) |
NSN 5331-01-570-2389 is a O-Ring, manufactured by Fascan International, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-570-2389 has 2 manufacturer part numbers on file: MIL-001-598 (Fascan International, Inc.), 9262K136 (Mcmaster-Carr Supply Co).
Key specifications for MIL-001-598: Temp Rating: -35.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Cross-Sectional Height: 1.6 MILLIMETERS NOMINAL MM; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Material Document and Classification: ASTM D2000 ASSN STD SINGLE MATERIAL RESPONSE. 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.