The Pin-Rivet, cataloged under National Stock Number 5320-01-526-4015, 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 14 specifications, cited from the U.S. Government catalog. The record lists 11 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-526-4015 |
| Primary Part Number | HP6757D414-55 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Heartland Precision Fasteners Inc |
| Status | ACTIVE |
| Shank Diameter | 0.249 INCHES NOMINAL IN |
| Fastener Length | 0.875 INCHES MINIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Nominal Thread Size | 0.250 INCHES IN |
| Shank Style | PIN RIVET, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.501 INCHES MINIMUM AND 0.506 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 |
|---|---|
| HP6757D414-55 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| HLT941DL8-14-55 | West Coast Aerospace, Inc. (USA) |
| 3M757D4-14-55 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 3M757D4-14-55 | Houston Precision Fasteners I Lp (USA) |
| HLT941TB8-14-55 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M757D4-14-55 PRIMARY | The Boeing Company Div Defense (USA) |
| HLT941TB8-14-55 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT941DL8-14-55 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT941DL8-14-55 PRIMARY | Hi-Shear Corporation (USA) |
| HLT941TB8-14-55 | Hi-Shear Corporation (USA) |
| HLT941TB8-14-55 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HLT941TB8-14-55 | 3/2 Design control — primary reference U.S. Government activity |
| HLT941DL8-14-55 | 3/2 Design control — primary reference U.S. Government activity |
| HLT941DL8-14-55 | 3/2 Design control — primary reference U.S. Government activity |
| HLT941TB8-14-55 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-526-4015 is a Pin-Rivet, manufactured by Heartland Precision Fasteners Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-526-4015 has 11 manufacturer part numbers on file: HP6757D414-55 (Heartland Precision Fasteners Inc), HLT941DL8-14-55 (West Coast Aerospace, Inc.), 3M757D4-14-55 (Fastener Innovation Technology, Inc. Dba F I T), 3M757D4-14-55 (Houston Precision Fasteners I Lp), HLT941TB8-14-55 (Sps Technologies, Llc Dba PB Fasteners) and 6 more.
Key specifications for HP6757D414-55: Shank Diameter: 0.249 INCHES NOMINAL IN; Fastener Length: 0.875 INCHES MINIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 14 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.