The Pin-Rivet, cataloged under National Stock Number 5320-01-175-6992, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 19 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-175-6992 |
| Primary Part Number | HL64LL-16-19 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Head Height | 0.178 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Fastener Length | 1.863 INCHES MINIMUM AND 1.883 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | 258 FSCM 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Grip Length | 1.193 INCHES MAXIMUM IN |
| Width Between Flats | 0.2207 INCHES MINIMUM AND 0.2242 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 | 20 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.735 INCHES MINIMUM AND 0.770 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-16-19 | West Coast Aerospace, Inc. (USA) |
| HL64LL-16-19 PRIMARY | Huck International, Inc (USA) |
| HL64611-16-19 | Heartland Precision Fasteners Inc (USA) |
| HL646LL-16-19 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL646LL-16-19 PRIMARY | Hi-Shear Corporation (USA) |
| HL646LL-16-19 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL646LL-16-19 | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| HL646LL-16-19 | 5/9 Secondary reference Sps Technologies Inc |
| HL646LL-16-19 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HL646LL-16-19 | 3/2 Design control — primary reference U.S. Government activity |
| HL646LL-16-19 | 3/9 Design control — primary reference Heartland Precision Fasteners Inc |
| HL646LL-16-19 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-175-6992 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-175-6992 has 7 manufacturer part numbers on file: HL646LL-16-19 (West Coast Aerospace, Inc.), HL64LL-16-19 (Huck International, Inc), HL64611-16-19 (Heartland Precision Fasteners Inc), HL646LL-16-19 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL646LL-16-19 (Hi-Shear Corporation) and 2 more.
Key specifications for HL64LL-16-19: Shank Diameter: 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Head Height: 0.178 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN; Fastener Length: 1.863 INCHES MINIMUM AND 1.883 INCHES MAXIMUM IN. 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.