The Pin-Rivet, cataloged under National Stock Number 5320-01-726-7728, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5320-01-726-7728 |
| Primary Part Number | ST4M758T3N6 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.0449 INCHES MINIMUM AND 0.0470 INCHES MAXIMUM IN |
| Fastener Length | 0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM 4928 OR 4967 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.1900 INCHES IN |
| Grip Length | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Width Between Flats | 0.0791 INCHES MINIMUM AND 0.0806 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.2966 INCHES MINIMUM AND 0.3016 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 |
|---|---|
| HP4758T3N6 | Heartland Precision Fasteners Inc (USA) |
| ST4M758T3N6 | Houston Precision Fasteners I Lp (USA) |
| ST4M758T3N6 PRIMARY | The Boeing Company Div Defense (USA) |
| HLT969-6-6 | Huck International, Inc (USA) |
| ST4M758T3N6 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| ST3M758 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 5320-01-726-7728 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-726-7728 has 5 manufacturer part numbers on file: HP4758T3N6 (Heartland Precision Fasteners Inc), ST4M758T3N6 (Houston Precision Fasteners I Lp), ST4M758T3N6 (The Boeing Company Div Defense), HLT969-6-6 (Huck International, Inc), ST4M758T3N6 (Fastener Innovation Technology, Inc. Dba F I T).
Key specifications for ST4M758T3N6: Shank Diameter: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.0449 INCHES MINIMUM AND 0.0470 INCHES MAXIMUM IN; Fastener Length: 0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN. 17 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.