The Washer,flat, cataloged under National Stock Number 5310-01-650-1667, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Anillo Industries Llc. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Anillo Industries Llc (CAGE 10630); Component Products Corporation Dba Component Products Corp (CAGE 6F140); Moeller Manufacturing & Supply, Llc (CAGE 58009); Sps Technologies, Llc Dba PB Fasteners (CAGE 56878) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-650-1667 |
| Primary Part Number | BACW10BP6PK |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Anillo Industries Llc |
| 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 |
|---|---|
| BACW10BP6PK | Anillo Industries Llc (USA) |
| BACW10BP6PK | Component Products Corporation Dba Component Products Corp (USA) |
| BACW10BP6PK | Moeller Manufacturing & Supply, Llc (USA) |
| BACW10BP6PK | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BACW10BP6PK | 3/1 Design control — primary reference U.S. Government activity |
NSN 5310-01-650-1667 is a Washer,flat, manufactured by Anillo Industries Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-650-1667 has 4 manufacturer part numbers on file: BACW10BP6PK (Anillo Industries Llc), BACW10BP6PK (Component Products Corporation Dba Component Products Corp), BACW10BP6PK (Moeller Manufacturing & Supply, Llc), BACW10BP6PK (Sps Technologies, Llc Dba PB Fasteners).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-699-6943. 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.