The O-Ring, cataloged under National Stock Number 5331-01-588-6531, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Lutz Sales Company 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-588-6531 |
| Primary Part Number | OR-012-2885-633 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Lutz Sales Company Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.070 INCHES NOMINAL IN |
| Center Hole Diameter | 0.364 INCHES NOMINAL IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| OR-012-2885-633 | Lutz Sales Company Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6001199 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5331-01-588-6531 is a O-Ring, manufactured by Lutz Sales Company Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-588-6531 has 1 manufacturer part number on file: OR-012-2885-633 (Lutz Sales Company Inc.).
Key specifications for OR-012-2885-633: Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Center Hole Diameter: 0.364 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: O-RING; End Item Identification: 3825-01-577-2713 DISTRIBUTOR, WATER, TANK TYPE. 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.