The Washer,key, cataloged under National Stock Number 5310-01-643-5017, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,key |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-643-5017 |
| Primary Part Number | 7383858-7108111-28 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 7383858-7108111-28 | Naval Sea Systems Command (USA) |
| H547-1721-28D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7383858-H5471721-028D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| H547-0001-H5471721-028D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| H5470001-H5471721-28D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 167-7108111-28D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| H547-0001-H5471721-028 | 5/1 Secondary reference U.S. Government activity |
| H5470001-H5471721-28 | 5/2 Secondary reference U.S. Government activity |
| 167-7108111-28 | 5/1 Secondary reference Naval Sea Systems Command |
| 7383858-H5471721-028 | 3/1 Design control — primary reference Naval Sea Systems Command |
| H547-1721-28 | 5/1 Secondary reference U.S. Government activity |
NSN 5310-01-643-5017 is a Washer,key, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-643-5017 has 6 manufacturer part numbers on file: 7383858-7108111-28 (Naval Sea Systems Command), H547-1721-28D4 (Naval Inventory Control Point Mechanicsburg), 7383858-H5471721-028D4 (Naval Inventory Control Point Mechanicsburg), H547-0001-H5471721-028D4 (Naval Inventory Control Point Mechanicsburg), H5470001-H5471721-28D4 (Naval Inventory Control Point Mechanicsburg) and 1 more.
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.