The Pin-Rivet, cataloged under National Stock Number 5320-01-477-5597, 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 19 specifications, cited from the U.S. Government catalog. The record lists 14 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-477-5597 |
| Primary Part Number | HLT50YC-10-20 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.312 INCHES NOMINAL IN |
| Lubrication | SOLID FILM AND CETYL ALCOHOL |
| Head Height | 0.078 INCHES NOMINAL IN |
| Fastener Length | 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Criticality Code Justification | AGAV |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | STRAIGHT PAN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Grip Length | 1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN |
| Width Between Flats | 0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.505 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 | Y |
| Part Number | Manufacturer |
|---|---|
| HLT50YC-10-20 | West Coast Aerospace, Inc. (USA) |
| HLT50YC-10-20 PRIMARY | Huck International, Inc (USA) |
| HLT50YB-10-20 PRIMARY | Huck International, Inc (USA) |
| HLT50YB-10-20 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT50YC-10-20 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT50YB-10-20 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HP4759-5-20 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| HLT50YB-10-20 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT50YB-10-20 | West Coast Aerospace, Inc. (USA) |
| HLT50YC-10-20 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT50YC-10-20 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT50YB-10-20 PRIMARY | Hi-Shear Corporation (USA) |
| HLT50YC-10-20 PRIMARY | Hi-Shear Corporation (USA) |
| ST3M759C5-20 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| HLT50YB-10-20 | 3/2 Design control — primary reference U.S. Government activity |
| HLT50YC-10-20 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-477-5597 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-477-5597 has 14 manufacturer part numbers on file: HLT50YC-10-20 (West Coast Aerospace, Inc.), HLT50YC-10-20 (Huck International, Inc), HLT50YB-10-20 (Huck International, Inc), HLT50YB-10-20 (Sps Technologies, Llc Dba PB Fasteners), HLT50YC-10-20 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 9 more.
Key specifications for HLT50YC-10-20: Shank Diameter: 0.312 INCHES NOMINAL IN; Lubrication: SOLID FILM AND CETYL ALCOHOL; Head Height: 0.078 INCHES NOMINAL IN; Fastener Length: 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN. 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.