The O-Ring, cataloged under National Stock Number 5331-01-506-0859, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is R R Transmissions Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | R R Transmissions Inc (CAGE 0M7H9) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-506-0859 |
| Primary Part Number | 154B3012 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | R R Transmissions Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| PL0975-1.XLS POS NO.25 | R R Transmissions Inc (USA) |
| 154B3012 PRIMARY | R R Transmissions Inc (USA) |
| EX-975-2 POS NO.25 | R R Transmissions Inc (USA) |
NSN 5331-01-506-0859 is a O-Ring, manufactured by R R Transmissions Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-506-0859 has 3 manufacturer part numbers on file: PL0975-1.XLS POS NO.25 (R R Transmissions Inc), 154B3012 (R R Transmissions Inc), EX-975-2 POS NO.25 (R R Transmissions Inc).
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.