The O-Ring, cataloged under National Stock Number 5331-01-572-2465, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Derbyshire Machine & Tool Co. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Derbyshire Machine & Tool Co (CAGE 71905); Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (CAGE 0ASY6) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-572-2465 |
| Primary Part Number | ARP-012B |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Derbyshire Machine & Tool Co |
| 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 |
|---|---|
| ARP-012B PRIMARY | Derbyshire Machine & Tool Co (USA) |
| M3759-2689 PC NO 12 | Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (USA) |
| Reference | Meaning |
|---|---|
| M3759-2689 PC NO 12 | 5/9 Secondary reference Derbyshire Machine & Tool Co |
NSN 5331-01-572-2465 is a O-Ring, manufactured by Derbyshire Machine & Tool Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-572-2465 has 2 manufacturer part numbers on file: ARP-012B (Derbyshire Machine & Tool Co), M3759-2689 PC NO 12 (Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc).
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.