The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-706-9746, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Fastener Innovation Technology, Inc. Dba F I T. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-706-9746 |
| Primary Part Number | ST3M747-7D61 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Fastener Innovation Technology, Inc. Dba F I T |
| Status | ACTIVE |
| Head Height | 0.257 INCHES NOMINAL IN |
| Fastener Length | 4.349 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.599 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.106 INCHES MINIMUM AND 0.111 INCHES MAXIMUM OVERALL IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.4375 INCHES IN |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Grip Length | 3.8025 INCHES MINIMUM AND 3.8225 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.714 INCHES NOMINAL IN |
| Grip Diameter | 0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Locking Feature | RETAINER FIRST HOLE |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP XM-13 OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 4.221 INCHES MINIMUM AND 4.231 INCHES MAXIMUM OVERALL IN |
| Hole Type | DRILLED |
| Hole Diameter | 0.106 INCHES MINIMUM AND 0.111 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 |
|---|---|
| ST3M747-7D61 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| S397-7D61 PRIMARY | Huck International, Inc (USA) |
| GS1031-7D61 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| HP7747-7D61 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| PBF1266-7D61 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| VCG0002-7D61 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| AIC688-7D61 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| MB155-7D61 PRIMARY | Hi-Shear Corporation (USA) |
| SLB254-7D61 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| VS3191-7D61 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| ST3M747-7D61 PRIMARY | The Boeing Company Div Defense (USA) |
| 122896-7D61 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| ST3M747 | D/9 Drawing number reference only The Boeing Company Div Defense |
| 122896-7D61 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-706-9746 is a Bolt,close Tolerance, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-706-9746 has 12 manufacturer part numbers on file: ST3M747-7D61 (Fastener Innovation Technology, Inc. Dba F I T), S397-7D61 (Huck International, Inc), GS1031-7D61 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), HP7747-7D61 (Heartland Precision Fasteners Inc), PBF1266-7D61 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 7 more.
1 possible match (shared part number, not a government interchangeability claim): 5306-01-706-9783. Verify interchangeability with system specifications before substitution.
Key specifications for ST3M747-7D61: Head Height: 0.257 INCHES NOMINAL IN; Fastener Length: 4.349 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.599 INCHES MAXIMUM IN. 24 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.