The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-707-2856, 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 18 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 | 5306-01-707-2856 |
| Primary Part Number | ST3M747-6-11 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.210 INCHES NOMINAL IN |
| Fastener Length | 1.2035 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS2700 METHOD 1 OR 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.516 INCHES NOMINAL IN |
| Material Document and Classification | AMS5629 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 76301-ST3-747 MANUFACTURERS STANDARD |
| Grip Length | 0.6875 INCHES NOMINAL IN |
| Head Minor Diameter | 0.582 INCHES NOMINAL IN |
| Grip Diameter | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 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 | X |
| Part Number | Manufacturer |
|---|---|
| ST3M747-6-11 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5306-01-707-2856 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-707-2856 has 1 manufacturer part number on file: ST3M747-6-11 (The Boeing Company Div Defense).
Key specifications for ST3M747-6-11: Head Height: 0.210 INCHES NOMINAL IN; Fastener Length: 1.2035 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS2700 METHOD 1 OR 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.516 INCHES NOMINAL IN. 18 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.