The Washer,flat, cataloged under National Stock Number 5310-01-668-8302, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Luminescent Systems, Inc. Dba Lsi Div Lsi-Nh. 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 | 5310-01-668-8302 |
| Primary Part Number | 63566 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Luminescent Systems, Inc. Dba Lsi Div Lsi-Nh |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | V |
| Part Number | Manufacturer |
|---|---|
| 63566 PRIMARY | Luminescent Systems, Inc. Dba Lsi Div Lsi-Nh (USA) |
NSN 5310-01-668-8302 is a Washer,flat, manufactured by Luminescent Systems, Inc. Dba Lsi Div Lsi-Nh, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-668-8302 has 1 manufacturer part number on file: 63566 (Luminescent Systems, Inc. Dba Lsi Div Lsi-Nh).
Key specifications for 63566: Part Name Assigned by Controlling Agency: WASHER,FLAT; End Item Identification: CH-53K SIKORSKY HEAVY LIFT HELICOPTER. 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.