The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-462-2824, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Heartland Precision Fasteners Inc. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 14 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-462-2824 |
| Primary Part Number | HP7747-5D45 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Heartland Precision Fasteners Inc |
| Status | ACTIVE |
| Head Height | 0.187 INCHES NOMINAL IN |
| Fastener Length | 3.264 INCHES MINIMUM AND 3.311 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 5629 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| 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 |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.313 INCHES IN |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.803 INCHES MINIMUM AND 2.823 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.595 INCHES MINIMUM AND 0.605 INCHES MAXIMUM IN |
| Grip Diameter | 0.484 INCHES MINIMUM AND 0.511 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 3.150 INCHES MINIMUM AND 3.187 INCHES MAXIMUM 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 |
|---|---|
| HP7747-5D45 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| ST3M747-5D45 PRIMARY | The Boeing Company Div Defense (USA) |
| 122896-5D45 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M747-5D45 | Houston Precision Fasteners I Lp (USA) |
| 11833-5D45 | Reid Products Inc. Dba Reid Products Inc (USA) |
| AIC688-5D45 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| S397-5D45 PRIMARY | Huck International, Inc (USA) |
| MB155-5D45 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| VCG0002-5D45 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| PBF1266-5D45 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| MB155-5D45 | Hi-Shear Corporation (USA) |
| SLB254-5D45 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| GS1031-5D45 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| ST3M747-5D45 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| VS3191-5D45 | 5/9 Secondary reference U.S. Government activity |
| 122896-5D45 | 5/2 Secondary reference U.S. Government activity |
| S397-5D45 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-462-2824 is a Bolt,close Tolerance, manufactured by Heartland Precision Fasteners Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-462-2824 has 14 manufacturer part numbers on file: HP7747-5D45 (Heartland Precision Fasteners Inc), ST3M747-5D45 (The Boeing Company Div Defense), 122896-5D45 (Sps Technologies, Llc Dba PB Fasteners), ST3M747-5D45 (Houston Precision Fasteners I Lp), 11833-5D45 (Reid Products Inc. Dba Reid Products Inc) and 9 more.
Key specifications for HP7747-5D45: Head Height: 0.187 INCHES NOMINAL IN; Fastener Length: 3.264 INCHES MINIMUM AND 3.311 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 5629 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.467 INCHES NOMINAL IN. 20 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.