The O-Ring, cataloged under National Stock Number 5331-01-570-1587, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is W S Darley & Co Div Darley Pump Division. 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 | 5331-01-570-1587 |
| Primary Part Number | 3601401 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | W S Darley & Co Div Darley Pump Division |
| 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 |
|---|---|
| 3601401 PRIMARY | W S Darley & Co Div Darley Pump Division (USA) |
NSN 5331-01-570-1587 is a O-Ring, manufactured by W S Darley & Co Div Darley Pump Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-570-1587 has 1 manufacturer part number on file: 3601401 (W S Darley & Co Div Darley Pump Division).
Key specifications for 3601401: Part Name Assigned by Controlling Agency: O-RING 1.47 X 1.71 X 0.09; End Item Identification: 4210-01-486-1035 TRUCK, FIRE FIGHTING. 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.