The Pin-Rivet, cataloged under National Stock Number 5320-01-565-0261, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-565-0261 |
| Primary Part Number | HL64PB8-27 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.265 INCHES NOMINAL IN |
| Head Height | 0.084 INCHES NOMINAL IN |
| Fastener Length | 1.688 INCHES NOMINAL IN |
| Head Style | STRAIGHT PAN |
| Grip Length | 1.688 INCHES NOMINAL IN |
| Width Between Flats | 0.957 INCHES NOMINAL IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Material | STEEL COMP 4140 OVERALL |
| Head Major Diameter | 0.428 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 |
|---|---|
| HL64PB8-27 | West Coast Aerospace, Inc. (USA) |
| HL64PB8-27 PRIMARY | Hi-Shear Corporation (USA) |
| HL64PB8-27 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL64PB8-27 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL64PB8-27 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL64PB8-27 | Blanc Aero Industries Uk Ltd (GBR) |
| HL64PB8-27 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| HL64PB8-27 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-565-0261 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-565-0261 has 7 manufacturer part numbers on file: HL64PB8-27 (West Coast Aerospace, Inc.), HL64PB8-27 (Hi-Shear Corporation), HL64PB8-27 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL64PB8-27 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL64PB8-27 (Sps Technologies, Llc Dba PB Fasteners) and 2 more.
Key specifications for HL64PB8-27: Shank Diameter: 0.265 INCHES NOMINAL IN; Head Height: 0.084 INCHES NOMINAL IN; Fastener Length: 1.688 INCHES NOMINAL IN; Head Style: STRAIGHT PAN. 9 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.