The Pin-Rivet, cataloged under National Stock Number 5320-01-477-5839, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Heartland Precision Fasteners Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-477-5839 |
| Primary Part Number | HP4758D6-12 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Heartland Precision Fasteners Inc |
| Status | ACTIVE |
| Shank Diameter | 0.374 INCHES NOMINAL IN |
| Fastener Length | 1.218 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Grip Length | 0.673 INCHES NOMINAL IN |
| Width Between Flats | 0.207 INCHES NOMINAL IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| 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 | 0.524 INCHES MINIMUM AND 0.531 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 | Y |
| Part Number | Manufacturer |
|---|---|
| HP4758D6-12 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| HLT631YB-12-12 PRIMARY | Hi-Shear Corporation (USA) |
| HLT631YC-12-12 | West Coast Aerospace, Inc. (USA) |
| ST3M758D6-12 | The Boeing Company Div Defense (USA) |
| ST3M758D6-12 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HLT631YB-12-12 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT631YB-12-12 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT631YB-12-12 | West Coast Aerospace, Inc. (USA) |
| HLT631YC-12-12 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT631YC-12-12 PRIMARY | Hi-Shear Corporation (USA) |
| HLT631YC-12-12 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT631YC-12-12 PRIMARY | Huck International, Inc (USA) |
| HLT631YB-12-12 PRIMARY | Huck International, Inc (USA) |
| HLT631YC-12-12 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT631YB-12-12 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| HLT631YC-12-12 | 3/2 Design control — primary reference U.S. Government activity |
| HLT631YB-12-12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-477-5839 is a Pin-Rivet, manufactured by Heartland Precision Fasteners Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-477-5839 has 15 manufacturer part numbers on file: HP4758D6-12 (Heartland Precision Fasteners Inc), HLT631YB-12-12 (Hi-Shear Corporation), HLT631YC-12-12 (West Coast Aerospace, Inc.), ST3M758D6-12 (The Boeing Company Div Defense), ST3M758D6-12 (Fastener Innovation Technology, Inc. Dba F I T) and 10 more.
Key specifications for HP4758D6-12: Shank Diameter: 0.374 INCHES NOMINAL IN; Fastener Length: 1.218 INCHES NOMINAL IN; Criticality Code Justification: AGAV; Head Style: FLUSH COUNTERSUNK. 15 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.