The Washer,concave, cataloged under National Stock Number 5310-00-956-6567, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-956-6567 |
| Primary Part Number | HL82-8W |
| Item Name | Washer,concave |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Radius | 0.234 INCHES NOMINAL IN |
| Style Designator | CONCAVE |
| Outside Diameter | 0.470 INCHES NOMINAL IN |
| Recess Depth | 0.051 INCHES NOMINAL IN |
| Material Thickness | 0.113 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.332 INCHES NOMINAL IN |
| 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 |
|---|---|
| HL82-8W | West Coast Aerospace, Inc. (USA) |
| HL82-8W PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL82-8W PRIMARY | Hi-Shear Corporation (USA) |
| HL82-8W PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL82-8W | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| HL82-8W | 5/2 Secondary reference U.S. Government activity |
| 5310PL1641422 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-00-956-6567 is a Washer,concave, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-956-6567 has 5 manufacturer part numbers on file: HL82-8W (West Coast Aerospace, Inc.), HL82-8W (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL82-8W (Hi-Shear Corporation), HL82-8W (Sps Technologies, Llc Dba PB Fasteners), HL82-8W (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).
Key specifications for HL82-8W: Radius: 0.234 INCHES NOMINAL IN; Style Designator: CONCAVE; Outside Diameter: 0.470 INCHES NOMINAL IN; Recess Depth: 0.051 INCHES NOMINAL IN. 8 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.