The Washer,concave, cataloged under National Stock Number 5310-01-025-4218, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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,concave |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (CAGE 27624); Fairchild Fasteners Europe - Vsd Gmbh (CAGE C4293); Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); Reid Products Inc. Dba Reid Products Inc (CAGE 59563); Huck International, Inc (CAGE 17446) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-025-4218 |
| Primary Part Number | TLN1023L9W |
| Item Name | Washer,concave |
| 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 |
|---|---|
| TLN1023L9W | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| TLN1023L9W | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| TLN1023L9W | Sps Technologies, Llc Dba PB Fasteners (USA) |
| TLN1023L9W | Reid Products Inc. Dba Reid Products Inc (USA) |
| TLN1023L9W PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| TLN1023L9W | 5/2 Secondary reference U.S. Government activity |
| TLN1023L9W | 5/9 Secondary reference U.S. Government activity |
| TLN1023L9W | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-025-4218 is a Washer,concave, manufactured by Huck International, Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-025-4218 has 5 manufacturer part numbers on file: TLN1023L9W (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), TLN1023L9W (Fairchild Fasteners Europe - Vsd Gmbh), TLN1023L9W (Sps Technologies, Llc Dba PB Fasteners), TLN1023L9W (Reid Products Inc. Dba Reid Products Inc), TLN1023L9W (Huck International, 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.