The Pin-Rivet, cataloged under National Stock Number 5320-01-166-3666, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-166-3666 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Status | ACTIVE |
| Shank Diameter | 0.5192 INCHES NOMINAL IN |
| Lubrication | CETYL ALCOHOL AND DRY FILM |
| Fastener Length | 0.975 INCHES MINIMUM AND 1.000 INCHES MAXIMUM 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 |
| Tip Diameter | 0.5130 INCHES MINIMUM IN |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Specification/standard Data | 80205-NAS1724 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.490 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, TAPERED, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Shear Strength | 125000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.782 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 |
| Reference | Meaning |
|---|---|
| ST3M458C8-8D1 | 5/9 Secondary reference The Boeing Company Div Defense |
| NAS1724D8-8E | 3/2 Design control — primary reference U.S. Government activity |
| TLD100-8-8E | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| TLD100-8-8E | 5/9 Secondary reference Huck International, Inc |
| TLD100-8-8E | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| TLD100-8-8E | 5/9 Secondary reference U.S. Government activity |
| TLD100-8-8E | 5/9 Secondary reference U.S. Government activity |
| TLD100-8-8E | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| TLD100-8-8E | 5/9 Secondary reference Reid Products Inc. Dba Reid Products Inc |
NSN 5320-01-166-3666 is a Pin-Rivet, classified under FSC 5320, Rivets. Status: active.
Key specifications for 5320-01-166-3666: Shank Diameter: 0.5192 INCHES NOMINAL IN; Lubrication: CETYL ALCOHOL AND DRY FILM; Fastener Length: 0.975 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 21 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.