The Pin-Rivet, cataloged under National Stock Number 5320-01-526-3903, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-526-3903 |
| Primary Part Number | ST3M759V6-9 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.374 INCHES NOMINAL IN |
| Lubrication | SOLID FILM AND CETYL ALCOHOL |
| Head Height | 0.078 INCHES NOMINAL IN |
| Fastener Length | 1.097 INCHES MINIMUM AND 1.117 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | TI-SHEAR III MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | STRAIGHT PAN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Grip Length | 0.562 INCHES NOMINAL IN |
| Width Between Flats | 0.158 INCHES NOMINAL IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.565 INCHES NOMINAL 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 |
|---|---|
| HLT310DL-12-9 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT310DL-12-9 | West Coast Aerospace, Inc. (USA) |
| ST3M759V6-9 PRIMARY | The Boeing Company Div Defense (USA) |
| HLT310TB-12-9 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT310DL-12-9 PRIMARY | Huck International, Inc (USA) |
| HLT310TB-12-9 PRIMARY | Hi-Shear Corporation (USA) |
| HLT310TB-12-9 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT310DL-12-9 PRIMARY | Hi-Shear Corporation (USA) |
| HLT310DL-12-9 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT310DL-12-9 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT310TB-12-9 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT310TB-12-9 PRIMARY | Huck International, Inc (USA) |
| HLT310TB-12-9 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HLT310DL-12-9 | 5/9 Secondary reference Sps Technologies Inc |
| HLT310TB-12-9 | 3/2 Design control — primary reference U.S. Government activity |
| HLT310DL-12-9 | 3/2 Design control — primary reference U.S. Government activity |
| HLT310TB-12-9 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5320-01-526-3903 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-526-3903 has 13 manufacturer part numbers on file: HLT310DL-12-9 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT310DL-12-9 (West Coast Aerospace, Inc.), ST3M759V6-9 (The Boeing Company Div Defense), HLT310TB-12-9 (Sps Technologies Ltd, Tj Brooks Division), HLT310DL-12-9 (Huck International, Inc) and 8 more.
Key specifications for ST3M759V6-9: Shank Diameter: 0.374 INCHES NOMINAL IN; Lubrication: SOLID FILM AND CETYL ALCOHOL; Head Height: 0.078 INCHES NOMINAL IN; Fastener Length: 1.097 INCHES MINIMUM AND 1.117 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.