The Pin-Rivet, cataloged under National Stock Number 5320-01-171-0658, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-171-0658 |
| Primary Part Number | HLT312-5-6 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Head Height | 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Fastener Length | 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Grip Length | 0.380 INCHES MAXIMUM IN |
| Width Between Flats | 0.0791 INCHES MINIMUM AND 0.0801 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Shear Strength | 95000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNJC |
| Head Major Diameter | 0.306 INCHES MINIMUM AND 0.322 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 |
|---|---|
| HLT312-5-6 PRIMARY | Huck International, Inc (USA) |
| HLT312-5-6 | West Coast Aerospace, Inc. (USA) |
| HLT312-5-6 PRIMARY | Hi-Shear Corporation (USA) |
| HLT312-5-6 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT312-5-6 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| AIC-L-761V08L6 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| ST3M761V08L6 | 5/9 Secondary reference The Boeing Company Div Defense |
| HLT312-5-6 | 5/9 Secondary reference U.S. Government activity |
| 10112051 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| HLT312-5-6 | 3/2 Design control — primary reference U.S. Government activity |
| ST3M761V08N6 | 5/9 Secondary reference The Boeing Company Div Defense |
NSN 5320-01-171-0658 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-171-0658 has 6 manufacturer part numbers on file: HLT312-5-6 (Huck International, Inc), HLT312-5-6 (West Coast Aerospace, Inc.), HLT312-5-6 (Hi-Shear Corporation), HLT312-5-6 (Sps Technologies, Llc Dba PB Fasteners), HLT312-5-6 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 1 more.
1 possible match (shared part number, not a government interchangeability claim): 4140-01-585-3511. Verify interchangeability with system specifications before substitution.
Key specifications for HLT312-5-6: Shank Diameter: 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Head Height: 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN; Fastener Length: 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM 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.