The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-526-3902, 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 13 specifications, cited from the U.S. Government catalog. The record lists 13 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-526-3902 |
| Primary Part Number | ST3M747-5H11 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.187 INCHES NOMINAL IN |
| Fastener Length | 1.139 INCHES MINIMUM AND 1.186 INCHES MAXIMUM IN |
| Thread Length | 0.467 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE IN |
| Criticality Code Justification | AGAV |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.517 INCHES NOMINAL IN |
| Grip Diameter | 0.311 INCHES NOMINAL IN |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.036 INCHES NOMINAL FIRST HOLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| ST3M747-5H11 PRIMARY | The Boeing Company Div Defense (USA) |
| PBF1266-5H11 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M474-5H11 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| VCG0002-5H11 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 122896-5H11 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| AIC688-5H11 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| MB155-5H11 PRIMARY | Hi-Shear Corporation (USA) |
| SLB254-5H11 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| GS1031-5H11 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 11833-5H11 | Reid Products Inc. Dba Reid Products Inc (USA) |
| HP7747-5H11 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| S397-5H11 | Huck International, Inc (USA) |
| ST3M747-5H11 | Houston Precision Fasteners I Lp (USA) |
| Reference | Meaning |
|---|---|
| 122896-5H11 | 5/9 Secondary reference Sps Technologies Inc |
| 122896-5H11 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-526-3902 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-526-3902 has 13 manufacturer part numbers on file: ST3M747-5H11 (The Boeing Company Div Defense), PBF1266-5H11 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), ST3M474-5H11 (Fastener Innovation Technology, Inc. Dba F I T), VCG0002-5H11 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 122896-5H11 (Sps Technologies, Llc Dba PB Fasteners) and 8 more.
Key specifications for ST3M747-5H11: Head Height: 0.187 INCHES NOMINAL IN; Fastener Length: 1.139 INCHES MINIMUM AND 1.186 INCHES MAXIMUM IN; Thread Length: 0.467 INCHES NOMINAL IN; Shank Unthreaded Hole Diameter: 0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE IN. 13 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.