The O-Ring, cataloged under National Stock Number 5331-01-673-6031, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Nordon Llc Dba Cooler Solutions. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-673-6031 |
| Primary Part Number | 309256 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Nordon Llc Dba Cooler Solutions |
| Status | ACTIVE |
| Cross-Sectional Height | 0.15 INCHES NOMINAL IN |
| Color | BLACK |
| 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 |
|---|---|
| 309256 PRIMARY | Nordon Llc Dba Cooler Solutions (USA) |
| Reference | Meaning |
|---|---|
| 600-99003 | 5/9 Secondary reference Thompson & Little, Inc. |
NSN 5331-01-673-6031 is a O-Ring, manufactured by Nordon Llc Dba Cooler Solutions, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-673-6031 has 1 manufacturer part number on file: 309256 (Nordon Llc Dba Cooler Solutions).
Key specifications for 309256: Cross-Sectional Height: 0.15 INCHES NOMINAL IN; Color: BLACK; Special Features: OPTI-PURE FX O-RING;; End Item Identification: FILTER ASSEMBLY;. 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.