The Washer,flat, cataloged under National Stock Number 5310-01-355-8666, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cfm International Inc Dba Cfm International. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Cfm International Inc Dba Cfm International (CAGE 58828) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-355-8666 |
| Primary Part Number | 133A1624P1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Cfm International Inc Dba Cfm International |
| 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 |
|---|---|
| 133A1624P1 PRIMARY | Cfm International Inc Dba Cfm International (USA) |
NSN 5310-01-355-8666 is a Washer,flat, manufactured by Cfm International Inc Dba Cfm International, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-355-8666 has 1 manufacturer part number on file: 133A1624P1 (Cfm International Inc Dba Cfm International).
1 possible match (shared part number, not a government interchangeability claim): 1680-01-588-5350. Verify interchangeability with system specifications before substitution.
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.