The O-Ring, cataloged under National Stock Number 5331-01-507-0286, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Bright Lights Usa, Inc Dba Blusa Defense Manufacturing. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-01-507-0286 |
| Primary Part Number | 2-025 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Bright Lights Usa, Inc Dba Blusa Defense Manufacturing |
| Status | ACTIVE |
| Material | 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 |
|---|---|
| 2-025 PRIMARY | Bright Lights Usa, Inc Dba Blusa Defense Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 5162-021-000 | 5/9 Secondary reference Cemen Tech, Inc. |
| 2-025 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
NSN 5331-01-507-0286 is a O-Ring, manufactured by Bright Lights Usa, Inc Dba Blusa Defense Manufacturing, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-507-0286 has 1 manufacturer part number on file: 2-025 (Bright Lights Usa, Inc Dba Blusa Defense Manufacturing).
Key specifications for 2-025: Special Features: INSIDE DIA. 29.87 MM, OUTSIDE 33.43 MM MM; End Item Identification: 3990-01-444-5196 CEMENT MIXER; Material: RUBBER. 1 specification is 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.