The Pin-Rivet, cataloged under National Stock Number 5320-01-171-3684, 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 17 specifications, cited from the U.S. Government catalog. The record lists 21 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-171-3684 |
| Primary Part Number | HLT50YB-10-10 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM AND CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Head Height | 0.068 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN |
| Fastener Length | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Grip Length | 0.630 INCHES MAXIMUM IN |
| Width Between Flats | 0.1270 INCHES MINIMUM AND 0.1295 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Shear Strength | 125000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 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 |
|---|---|
| HLT50YB-10-10 | West Coast Aerospace, Inc. (USA) |
| ST3M759C5-10 | The Boeing Company Div Defense (USA) |
| HLT50YB-10-10 PRIMARY | Huck International, Inc (USA) |
| HLT50YB-10-10 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT50DL-10-10 PRIMARY | Hi-Shear Corporation (USA) |
| HLT50YB-10-10 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT50YC-10-10 PRIMARY | Huck International, Inc (USA) |
| HLT50YC-10-10 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT50DL-10-10 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT50YB-10-10 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT50YC-10-10 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT50YC-10-10 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT50TB-10-10 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT50YB-10-10 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT50TB-10-10 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HP4759-5-10 | Heartland Precision Fasteners Inc (USA) |
| HLT50YC-10-10 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT50TB-10-10 PRIMARY | Hi-Shear Corporation (USA) |
| HLT50YB-10-10 | Hi-Shear Corporation (USA) |
| HLT50YC-10-10 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HLT50YB-10-10 | 5/2 Secondary reference U.S. Government activity |
| MA4759C5-10 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| HLT50TB-10-10 | 3/2 Design control — primary reference U.S. Government activity |
| HLT50YC-10-10 | 5/9 Secondary reference U.S. Government activity |
| HLT50YC-10-10 | 5/2 Secondary reference U.S. Government activity |
| HLT50YB-10-10 | 5/9 Secondary reference U.S. Government activity |
| AIC-L-759C5-10 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HLT50TB-10-10 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-171-3684 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-171-3684 has 21 manufacturer part numbers on file: HLT50YB-10-10 (West Coast Aerospace, Inc.), ST3M759C5-10 (The Boeing Company Div Defense), HLT50YB-10-10 (Huck International, Inc), HLT50YB-10-10 (Sps Technologies, Llc Dba PB Fasteners), HLT50DL-10-10 (Hi-Shear Corporation) and 16 more.
Key specifications for HLT50YB-10-10: Shank Diameter: 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN; Lubrication: SOLID FILM AND CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Head Height: 0.068 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN; Fastener Length: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN. 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.