The Pin-Rivet, cataloged under National Stock Number 5320-01-502-4705, 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 17 specifications, cited from the U.S. Government catalog. The record lists 15 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-502-4705 |
| Primary Part Number | ST3M761C5-15 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Head Height | 0.102 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN |
| Fastener Length | 1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5629,PH13-8MO ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | STRAIGHT PAN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Grip Length | 0.933 INCHES MINIMUM AND 0.943 INCHES MAXIMUM IN |
| Width Between Flats | 0.127 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | A24 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.475 INCHES MINIMUM AND 0.505 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 |
|---|---|
| HLT52YC-10-15 | West Coast Aerospace, Inc. (USA) |
| HLT52YC-10-15 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT52YB-10-15 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M761C5-15 PRIMARY | The Boeing Company Div Defense (USA) |
| HLT52YB-10-15 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT52YB-10-15 | West Coast Aerospace, Inc. (USA) |
| ST3M761C5-15 | Howmet Global Fastening Systems Inc (USA) |
| HLT52YC-10-15 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT52YB-10-15 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT52YC-10-15 | Huck International, Inc (USA) |
| HLT52YC-10-15 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT52YB-10-15 | Hi-Shear Corporation (USA) |
| HLT52YC-10-15 | Hi-Shear Corporation (USA) |
| HP4761-5-15 | Heartland Precision Fasteners Inc (USA) |
| HLT52YB-10-15 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| HLT52YB-10-15 | 5/9 Secondary reference Sps Technologies Inc |
| HLT52YB-10-15 | 5/2 Secondary reference U.S. Government activity |
| HLT52YB-10-15 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HLT52YC-10-15 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HLT52YC-10-15 | 5/2 Secondary reference U.S. Government activity |
| HLT52YC-10-15 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5320-01-502-4705 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-502-4705 has 15 manufacturer part numbers on file: HLT52YC-10-15 (West Coast Aerospace, Inc.), HLT52YC-10-15 (Sps Technologies Ltd, Tj Brooks Division), HLT52YB-10-15 (Sps Technologies, Llc Dba PB Fasteners), ST3M761C5-15 (The Boeing Company Div Defense), HLT52YB-10-15 (Sps Technologies Ltd, Tj Brooks Division) and 10 more.
Key specifications for ST3M761C5-15: Shank Diameter: 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Head Height: 0.102 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN; Fastener Length: 1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 17 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.