The Washer,lock, cataloged under National Stock Number 5310-01-362-2081, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Allied Marine Services Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,lock |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Itp Engines Uk Ltd (CAGE K0140); Allied Marine Services Llc (CAGE 1QNM6) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-362-2081 |
| Primary Part Number | BS/SP42/E |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Allied Marine Services Llc |
| 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 |
|---|---|
| BS/SP42/E | Itp Engines Uk Ltd (GBR) |
| BS/SP42/E PRIMARY | Allied Marine Services Llc (USA) |
| Reference | Meaning |
|---|---|
| BS/SP42/E | 5/9 Secondary reference Allied Marine Services, Llc Dba Allied Technical Services |
| BS/SP42/E | 5/9 Secondary reference European Gas Turbines Ltd |
NSN 5310-01-362-2081 is a Washer,lock, manufactured by Allied Marine Services Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-362-2081 has 2 manufacturer part numbers on file: BS/SP42/E (Itp Engines Uk Ltd), BS/SP42/E (Allied Marine Services 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.