The Pin-Rivet, cataloged under National Stock Number 5320-01-716-9874, 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 16 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5320-01-716-9874 |
| Primary Part Number | HL646LL10-7 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.3020 INCHES MINIMUM AND 0.3060 INCHES MAXIMUM IN |
| Head Height | 0.102 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN |
| Fastener Length | 0.9275 INCHES MINIMUM AND 0.9475 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | SPEC 262 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS5629 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | STRAIGHT PAN |
| Nominal Thread Size | 0.3125 INCHES IN |
| Grip Length | 0.4325 INCHES MINIMUM AND 0.4425 INCHES MAXIMUM IN |
| Width Between Flats | 0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.475 INCHES MINIMUM AND 0.505 INCHES MAXIMUM 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 |
|---|---|
| HL646LL10-7 PRIMARY | Hi-Shear Corporation (USA) |
| HL646LL10-7 | Huck International, Inc (USA) |
| HL646LL10-7 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| HL646LL10-7 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL646LL10-7 | West Coast Aerospace, Inc. (USA) |
| HL646LL10-7 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| HL646 | D/9 Drawing number reference only Hi-Shear Corporation |
NSN 5320-01-716-9874 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-716-9874 has 6 manufacturer part numbers on file: HL646LL10-7 (Hi-Shear Corporation), HL646LL10-7 (Huck International, Inc), HL646LL10-7 (Howmet Global Fastening Systems Inc Div City of Industry Operations), HL646LL10-7 (Sps Technologies, Llc Dba PB Fasteners), HL646LL10-7 (West Coast Aerospace, Inc.) and 1 more.
Key specifications for HL646LL10-7: Shank Diameter: 0.3020 INCHES MINIMUM AND 0.3060 INCHES MAXIMUM IN; Head Height: 0.102 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN; Fastener Length: 0.9275 INCHES MINIMUM AND 0.9475 INCHES MAXIMUM IN; Surface Treatment Document and Classification: SPEC 262 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 16 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.