The Pin-Rivet, cataloged under National Stock Number 5320-01-649-4789, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Fastener Innovation Technology, Inc. Dba F I T. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-649-4789 |
| Primary Part Number | FIT79066-8Y5 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Fastener Innovation Technology, Inc. Dba F I T |
| Status | ACTIVE |
| Shank Diameter | 0.2802 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.0560 INCHES MINIMUM AND 0.0760 INCHES MAXIMUM IN |
| Fastener Length | 0.697 INCHES MINIMUM AND 0.717 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2486 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | CROWN COUNTERSUNK LESS THAN 135 DEGREES |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.2500 INCHES IN |
| Grip Length | 0.390 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PHOSPHATE OVERALL |
| Minimum Tensile Strength | 95000 POUNDS PER SQUARE INCH LBS |
| Countersink Angle | 130.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.481 INCHES MINIMUM AND 0.526 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 |
|---|---|
| FIT79066-8Y5 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| WC137-8Y5 PRIMARY | West Coast Aerospace, Inc. (USA) |
| HST731CW-8-5 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| 3D0137-8Y5 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-649-4789 is a Pin-Rivet, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-649-4789 has 3 manufacturer part numbers on file: FIT79066-8Y5 (Fastener Innovation Technology, Inc. Dba F I T), WC137-8Y5 (West Coast Aerospace, Inc.), HST731CW-8-5 (Hi-Shear Corporation).
Key specifications for FIT79066-8Y5: Shank Diameter: 0.2802 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.0560 INCHES MINIMUM AND 0.0760 INCHES MAXIMUM IN; Fastener Length: 0.697 INCHES MINIMUM AND 0.717 INCHES MAXIMUM IN. 20 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.