The O-Ring, cataloged under National Stock Number 5331-01-644-6659, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Bird-Johnson Co for Other Transactions Only. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-644-6659 |
| Primary Part Number | O-2-3-8 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Bird-Johnson Co for Other Transactions Only |
| Status | ACTIVE |
| 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 |
|---|---|
| O-2-3-8 PRIMARY | Bird-Johnson Co for Other Transactions Only (USA) |
NSN 5331-01-644-6659 is a O-Ring, manufactured by Bird-Johnson Co for Other Transactions Only, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-644-6659 has 1 manufacturer part number on file: O-2-3-8 (Bird-Johnson Co for Other Transactions Only).
Key specifications for O-2-3-8: Part Name Assigned by Controlling Agency: O-RING. 0 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.