The O-Ring, cataloged under National Stock Number 5331-01-445-0583, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-445-0583 |
| Primary Part Number | M1156-1 IT15 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc |
| Status | ACTIVE |
| Material Document and Classification | MIL-R-83248,TY-1 MIL SPEC SINGLE MATERIAL RESPONSE |
| 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 |
|---|---|
| ARP-008V | Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (USA) |
| M1156-1 IT15 PRIMARY | Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (USA) |
NSN 5331-01-445-0583 is a O-Ring, manufactured by Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-445-0583 has 2 manufacturer part numbers on file: ARP-008V (Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc), M1156-1 IT15 (Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc).
Key specifications for M1156-1 IT15: Material Document and Classification: MIL-R-83248,TY-1 MIL SPEC SINGLE MATERIAL RESPONSE; Material: RUBBER FLUOROCARBON CLASS FPM. 2 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.