The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-462-2844, 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 19 specifications, cited from the U.S. Government catalog. The record lists 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-462-2844 |
| Primary Part Number | ST3M744-14D79 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.468 INCHES NOMINAL IN |
| Fastener Length | 5.580 INCHES MINIMUM AND 5.600 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.652 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FASTENER IN |
| Criticality Code Justification | AGAV |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 4.938 INCHES NOMINAL IN |
| Head Minor Diameter | 1.294 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN |
| Grip Diameter | 1.218 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 14 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 5.455 INCHES NOMINAL FASTENER IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| ST3M744-14D79 | Houston Precision Fasteners I Lp (USA) |
| ST3M744-14D79 | Heartland Precision Fasteners Inc (USA) |
| WC744-14D79 | West Coast Aerospace, Inc. (USA) |
| VCG0001-14D79 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| VS3174-14D79 | Huck International, Inc (USA) |
| ST3M744-14D79 PRIMARY | The Boeing Company Div Defense (USA) |
| ST3M744-14D79 | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| PBF1265-14D79 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M744-14D79 | The Boeing Company Div Services (USA) |
| 11823-14D79 | Reid Products Inc. Dba Reid Products Inc (USA) |
| 122895-14D79 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M744-14D79 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| GS1015-14D79 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| ST3M744-14D79 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| VS3174-14D79 | Howmet Global Fastening Systems Inc (USA) |
| SLB748-14D79 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| AIC687-14D79 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| VS3174-14D79 | 5/2 Secondary reference U.S. Government activity |
| 122895-14D79 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-462-2844 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-462-2844 has 17 manufacturer part numbers on file: ST3M744-14D79 (Houston Precision Fasteners I Lp), ST3M744-14D79 (Heartland Precision Fasteners Inc), WC744-14D79 (West Coast Aerospace, Inc.), VCG0001-14D79 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), VS3174-14D79 (Huck International, Inc) and 12 more.
Key specifications for ST3M744-14D79: Head Height: 0.468 INCHES NOMINAL IN; Fastener Length: 5.580 INCHES MINIMUM AND 5.600 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.652 INCHES NOMINAL IN. 19 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.