The Pin-Rivet, cataloged under National Stock Number 5320-01-240-8101, 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 18 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-240-8101 |
| Primary Part Number | HL31-6-16 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Fastener Length | 1.315 INCHES MINIMUM AND 1.335 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | 258,FSCM 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5628 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-18732 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Grip Length | 1.005 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 431 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.3016 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 |
|---|---|
| HL31-6-16 PRIMARY | Huck International, Inc (USA) |
| HL31-6-16 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL31-6-16 | West Coast Aerospace, Inc. (USA) |
| HL31-6-16 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL31-6-16 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL31-6-16 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HL31-6-16 | 5/2 Secondary reference U.S. Government activity |
| HL31-6-16 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-240-8101 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-240-8101 has 6 manufacturer part numbers on file: HL31-6-16 (Huck International, Inc), HL31-6-16 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL31-6-16 (West Coast Aerospace, Inc.), HL31-6-16 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL31-6-16 (Sps Technologies, Llc Dba PB Fasteners) and 1 more.
Key specifications for HL31-6-16: Shank Diameter: 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Fastener Length: 1.315 INCHES MINIMUM AND 1.335 INCHES MAXIMUM IN; Surface Treatment Document and Classification: 258,FSCM 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 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.