The Pin-Rivet, cataloged under National Stock Number 5320-01-221-8724, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-221-8724 |
| Primary Part Number | HL41-5-9 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Shank Diameter | 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Fastener Length | 0.864 INCHES MINIMUM AND 0.884 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | SPEC 258 FSCM 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Grip Length | 0.567 INCHES MAXIMUM IN |
| Width Between Flats | 0.0791 INCHES MINIMUM AND 0.0801 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 95000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNJC |
| Head Major Diameter | 0.2612 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 |
|---|---|
| HL41-5-9 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL41-5-9 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL41-5-9 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL41-5-9 | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| HL41-5-9 | West Coast Aerospace, Inc. (USA) |
| HL41-5-9 | Huck International, Inc (USA) |
| HL41-5-9 PRIMARY | Hi-Shear Corporation (USA) |
| HL41-5-9 | Heartland Precision Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| HL41-5-9 | 5/9 Secondary reference U.S. Government activity |
| ST25D60-5-9 | 5/9 Secondary reference Lockheed Martin Corp |
| ST2187-09 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| HL41-5-9 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-221-8724 is a Pin-Rivet, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-221-8724 has 8 manufacturer part numbers on file: HL41-5-9 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL41-5-9 (Sps Technologies, Llc Dba PB Fasteners), HL41-5-9 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL41-5-9 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), HL41-5-9 (West Coast Aerospace, Inc.) and 3 more.
Key specifications for HL41-5-9: Shank Diameter: 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Fastener Length: 0.864 INCHES MINIMUM AND 0.884 INCHES MAXIMUM IN; Surface Treatment Document and Classification: SPEC 258 FSCM 73197 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.