The Washer,flat, cataloged under National Stock Number 5310-01-665-0777, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Neeltran, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Fastenal Company Dba Fastenal Co (CAGE 0Y3H3); Neeltran, Inc. (CAGE 0A7R9) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-665-0777 |
| Primary Part Number | 050-000018-019 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Neeltran, Inc. |
| 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 |
|---|---|
| 1171005 | Fastenal Company Dba Fastenal Co (USA) |
| 050-000018-019 PRIMARY | Neeltran, Inc. (USA) |
NSN 5310-01-665-0777 is a Washer,flat, manufactured by Neeltran, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-665-0777 has 2 manufacturer part numbers on file: 1171005 (Fastenal Company Dba Fastenal Co), 050-000018-019 (Neeltran, 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.