The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-710-7383, is classified within Federal Supply Class 5306 (Bolts) 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-710-7383 |
| Primary Part Number | ST3M753-6D64 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Extended Washer Thickness | 0.054 INCHES NOMINAL IN |
| Head Height | 0.337 INCHES NOMINAL IN |
| Fastener Length | 4.00 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.696 INCHES NOMINAL IN |
| Thread Length | 0.614 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.106 INCHES NOMINAL THREADS IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 3.386 INCHES NOMINAL IN |
| Head Minor Diameter | 0.438 INCHES NOMINAL IN |
| Grip Diameter | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | V |
| Part Number | Manufacturer |
|---|---|
| ST3M753-6D64 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5306-01-710-7383 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-710-7383 has 1 manufacturer part number on file: ST3M753-6D64 (The Boeing Company Div Defense).
Key specifications for ST3M753-6D64: Extended Washer Thickness: 0.054 INCHES NOMINAL IN; Head Height: 0.337 INCHES NOMINAL IN; Fastener Length: 4.00 INCHES NOMINAL IN; Extended Washer Diameter: 0.696 INCHES NOMINAL 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.