The Pin-Rivet, cataloged under National Stock Number 5320-01-691-7341, 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 | 5320-01-691-7341 |
| Primary Part Number | HL646LL-8-16 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Head Height | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Fastener Length | 1.395 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 | 0.250 INCHES IN |
| Grip Length | 1.000 INCHES NOMINAL IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Shear Strength | 125000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.415 INCHES MINIMUM AND 0.440 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-8-16 PRIMARY | Hi-Shear Corporation (USA) |
| HL646LL-8-16 | Ankit Fasteners Private Limited (IND) |
| HL646LL-8-16 | Ftb Bastener Technology Bestas (TUR) |
| HL646LL-8-16 | Blanc Aero Industries - Groupe Lisi Aerospace (FRA) |
| HL646LL-8-16 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL646LL-8-16 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| HL646LL-8-16 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HL646LL-8-16 | West Coast Aerospace, Inc. (USA) |
| HL646LL-8-16 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL646LL-8-16 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| HL646LL-8-16 | Minebea Mitsumi Inc. (JPN) |
| HL646LL-8-16 | Blanc Aero Technologies (FRA) |
| HL646LL-8-16 | Huck International, Inc (USA) |
| HL646LL-8-16 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL646LL-8-16 | Blanc Aero Industries Uk Ltd (GBR) |
NSN 5320-01-691-7341 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-691-7341 has 15 manufacturer part numbers on file: HL646LL-8-16 (Hi-Shear Corporation), HL646LL-8-16 (Ankit Fasteners Private Limited), HL646LL-8-16 (Ftb Bastener Technology Bestas), HL646LL-8-16 (Blanc Aero Industries - Groupe Lisi Aerospace), HL646LL-8-16 (Sps Technologies, Llc Dba PB Fasteners) and 10 more.
Key specifications for HL646LL-8-16: Shank Diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Head Height: 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Fastener Length: 1.395 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.