The Washer,recessed, cataloged under National Stock Number 5310-01-660-3312, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,recessed |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Huck International, Inc (CAGE 17446); Hi-Shear Corporation (CAGE 73197); Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725); Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); West Coast Aerospace, Inc. (CAGE 60516) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-660-3312 |
| Primary Part Number | BACW10CA52CVS |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Huck International, 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 |
|---|---|
| BACW10CA52CVS | Huck International, Inc (USA) |
| BACW10CA52CVS | Hi-Shear Corporation (USA) |
| BACW10CA52CVS | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACW10CA52CVS | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACW10CA52CVS | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| BACW10CA52CVS | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| BACW10CA52CVS | 5/9 Secondary reference Monadnock Company, the Dba Lisi Aerospace |
| BACW10CA52CVS | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-660-3312 is a Washer,recessed, manufactured by Huck International, Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-660-3312 has 5 manufacturer part numbers on file: BACW10CA52CVS (Huck International, Inc), BACW10CA52CVS (Hi-Shear Corporation), BACW10CA52CVS (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACW10CA52CVS (Sps Technologies, Llc Dba PB Fasteners), BACW10CA52CVS (West Coast Aerospace, 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.