The Pin-Rivet, cataloged under National Stock Number 5320-01-166-0777, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 17 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-166-0777 |
| Primary Part Number | HLT50YB-6-8 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Shank Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM |
| Head Height | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Fastener Length | 0.815 INCHES MINIMUM AND 0.835 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 | 0.190 INCHES IN |
| Grip Length | 0.505 INCHES MAXIMUM IN |
| Width Between Flats | 0.0791 INCHES MINIMUM AND 0.0806 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 | 32 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.295 INCHES MINIMUM AND 0.315 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-6-8 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M759C3-8 | The Boeing Company Div Defense (USA) |
| HLT50YC-6-8 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT50YB-6-8 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| ST3M759C3-8 | Howmet Global Fastening Systems Inc (USA) |
| HLT50YB-6-8 | West Coast Aerospace, Inc. (USA) |
| HP4759-3-8 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| HLT50YB-6-8 PRIMARY | Hi-Shear Corporation (USA) |
| HLT50YC-6-8 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT50YC-6-8 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT50YB-6-8 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT50YB-6-8 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT50YC-6-8 PRIMARY | Huck International, Inc (USA) |
| HLT50YC-6-8 PRIMARY | Hi-Shear Corporation (USA) |
| HLT50YB-6-8 PRIMARY | Huck International, Inc (USA) |
| HLT50YC-6-8 | West Coast Aerospace, Inc. (USA) |
| HLT50YC-6-8 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| HLT50YB-6-8 | 3/2 Design control — primary reference U.S. Government activity |
| 10111943 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| AIC-L-759C3-8 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HLT50YB-6-8 | 5/9 Secondary reference U.S. Government activity |
| HLT50YC-6-8 | 5/9 Secondary reference U.S. Government activity |
| HLT50YC-6-8 | 3/2 Design control — primary reference U.S. Government activity |
| HLT50TB6-8 | C/1 Advisory reference — outside the item-of-supply concept Hi-Shear Corporation |
| MA4759C3-8 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
NSN 5320-01-166-0777 is a Pin-Rivet, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-166-0777 has 17 manufacturer part numbers on file: HLT50YB-6-8 (Sps Technologies, Llc Dba PB Fasteners), ST3M759C3-8 (The Boeing Company Div Defense), HLT50YC-6-8 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HLT50YB-6-8 (Sps Technologies Ltd, Tj Brooks Division), ST3M759C3-8 (Howmet Global Fastening Systems Inc) and 12 more.
Key specifications for HLT50YB-6-8: Shank Diameter: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM; Head Height: 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN; Fastener Length: 0.815 INCHES MINIMUM AND 0.835 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.