The Pin-Rivet, cataloged under National Stock Number 5320-01-691-7597, 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 18 specifications, cited from the U.S. Government catalog. The record lists 15 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-691-7597 |
| Primary Part Number | HL646LL-10-10 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Head Height | 0.102 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN |
| Fastener Length | 1.125 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | HI-SHEAR SPEC 262 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS5629 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | STRAIGHT PAN |
| Nominal Thread Size | 0.3125 INCHES IN |
| Grip Length | 0.625 INCHES NOMINAL IN |
| Width Between Flats | 0.1270 INCHES MINIMUM AND 0.1295 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Shear Strength | 19160 DOUBLE 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 | 0.475 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 |
|---|---|
| HL646LL-10-10 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL646LL-10-10 | West Coast Aerospace, Inc. (USA) |
| HL646LL-10-10 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL646LL-10-10 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| HL646LL-10-10 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HL646LL-10-10 | Ankit Fasteners Private Limited (IND) |
| HL646LL-10-10 PRIMARY | Hi-Shear Corporation (USA) |
| HL646LL-10-10 | Blanc Aero Industries Uk Ltd (GBR) |
| HL646LL-10-10 | Blanc Aero Industries - Groupe Lisi Aerospace (FRA) |
| HL646LL-10-10 | Huck International, Inc (USA) |
| HL646LL-10-10 | Ftb Bastener Technology Bestas (TUR) |
| HL646LL-10-10 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL646LL-10-10 | Blanc Aero Technologies (FRA) |
| HL646LL-10-10 | Minebea Mitsumi Inc. (JPN) |
| HL646LL-10-10 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
NSN 5320-01-691-7597 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-691-7597 has 15 manufacturer part numbers on file: HL646LL-10-10 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL646LL-10-10 (West Coast Aerospace, Inc.), HL646LL-10-10 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL646LL-10-10 (Fairchild Fasteners Europe - Vsd Gmbh), HL646LL-10-10 (Sps Technologies Ltd, Tj Brooks Division) and 10 more.
Key specifications for HL646LL-10-10: Shank Diameter: 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Head Height: 0.102 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN; Fastener Length: 1.125 INCHES NOMINAL IN. 18 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.