The O-Ring, cataloged under National Stock Number 5331-01-472-5083, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Imi Cornelius Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-472-5083 |
| Primary Part Number | 31525-007 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Imi Cornelius Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.103 INCHES NOMINAL IN |
| Hardness Rating | 80.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 0.488 INCHES NOMINAL IN |
| 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 |
|---|---|
| 31525-007 PRIMARY | Imi Cornelius Inc. (USA) |
| Reference | Meaning |
|---|---|
| 31525-007 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 31525TAB | D/9 Drawing number reference only Imi Cornelius Inc. |
NSN 5331-01-472-5083 is a O-Ring, manufactured by Imi Cornelius Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-472-5083 has 1 manufacturer part number on file: 31525-007 (Imi Cornelius Inc.).
Key specifications for 31525-007: Cross-Sectional Height: 0.103 INCHES NOMINAL IN; Hardness Rating: 80.0 SHORE DUROMETER A NOMINAL; Special Features: MADE OF FDA WHITE LISTED INGREDIENTS AND TASTELESS,COLORLESS,AND NON-TOXIC AND FREE OF MOLD,GRASE,MANUFACTURE DEFECTS OR OTHER CONTAMINATIONS; Center Hole Diameter: 0.488 INCHES NOMINAL IN. 4 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.