The Pin-Rivet, cataloged under National Stock Number 5320-01-686-1201, 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 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-686-1201 |
| Primary Part Number | HL645LL-10-23 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Fastener Length | 1.927 INCHES MINIMUM AND 1.947 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | HI-SHEAR SPEC. 262 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS5629,PH13-8MO NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3125 INCHES IN |
| Grip Length | 1.432 INCHES MINIMUM AND 1.442 INCHES MAXIMUM IN |
| Width Between Flats | 0.1270 INCHES MINIMUM AND 0.1295 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Shear Strength | 125000 SINGLE POUNDS PER SQUARE INCH |
| 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 | 0.4689 INCHES MINIMUM AND 0.4739 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 |
|---|---|
| HL645LL-10-23 PRIMARY | Hi-Shear Corporation (USA) |
| HL645LL-10-23 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL645LL-10-23 | Huck International, Inc (USA) |
| HL645LL-10-23 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL645LL-10-23 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HL645LL-10-23 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-686-1201 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-686-1201 has 5 manufacturer part numbers on file: HL645LL-10-23 (Hi-Shear Corporation), HL645LL-10-23 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL645LL-10-23 (Huck International, Inc), HL645LL-10-23 (Sps Technologies, Llc Dba PB Fasteners), HL645LL-10-23 (West Coast Aerospace, Inc.).
Key specifications for HL645LL-10-23: Shank Diameter: 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Fastener Length: 1.927 INCHES MINIMUM AND 1.947 INCHES MAXIMUM IN; Surface Treatment Document and Classification: HI-SHEAR SPEC. 262 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 19 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.