The Pin-Rivet, cataloged under National Stock Number 5320-01-134-0785, 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 19 specifications, cited from the U.S. Government catalog. The record lists 18 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-134-0785 |
| Primary Part Number | HLT311DL-6-4 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM OR CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Fastener Length | 0.565 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | TI-SHIELD III,FSCM 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | CROWN COUTERSUNK GREATER THAN 135 DEGREES |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Grip Length | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Width Between Flats | 0.0791 INCHES MINIMUM AND 0.0806 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | ANODIZE 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 | TITANIUM ALLOY UNS R56400 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 |
|---|---|
| HLT311DL-6-4 PRIMARY | Hi-Shear Corporation (USA) |
| HLT311DL-6-4 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT311TB-6-4 | West Coast Aerospace, Inc. (USA) |
| HLT311DL-6-4 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| HLT311TB-6-4 | Howmet Global Fastening Systems Inc (USA) |
| HLT311DL-6-4 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT311TB-6-4 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT311DL-6-4 PRIMARY | West Coast Aerospace, Inc. (USA) |
| HLT311TB-6-4 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT311DL-6-4 PRIMARY | Huck International, Inc (USA) |
| HLT311TB-6-4 | Hi-Shear Corporation (USA) |
| HLT311TB-6-4 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT311TB-6-4 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HP4758V3-4 | Heartland Precision Fasteners Inc (USA) |
| HLT311DL-6-4 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT311DL-6-4 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M758V3-4 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HLT311TB-6-4 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| 10111525 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ST3M758V3-4 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| HLT311TA6-4 | 5/9 Secondary reference Huck International, Inc |
| HLT311TA6-4 | 5/9 Secondary reference U.S. Government activity |
| HLT311DL-6-4 | 5/2 Secondary reference U.S. Government activity |
| HLT311TB-6-4 | 5/2 Secondary reference U.S. Government activity |
| HLT311TB-6-4 | 5/9 Secondary reference U.S. Government activity |
| HLT311TA6-4 | 5/9 Secondary reference Hi-Shear Corporation |
| HLT311TB-6-4 | 5/9 Secondary reference U.S. Government activity |
| AIC-L-758V3-4 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HLT311TA6-4 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5320-01-134-0785 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-134-0785 has 18 manufacturer part numbers on file: HLT311DL-6-4 (Hi-Shear Corporation), HLT311DL-6-4 (Sps Technologies, Llc Dba PB Fasteners), HLT311TB-6-4 (West Coast Aerospace, Inc.), HLT311DL-6-4 (Howmet Global Fastening Systems Inc), HLT311TB-6-4 (Howmet Global Fastening Systems Inc) and 13 more.
Key specifications for HLT311DL-6-4: Shank Diameter: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN; Lubrication: SOLID FILM OR CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Fastener Length: 0.565 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN; Surface Treatment Document and Classification: TI-SHIELD III,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.