The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-471-5633, 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 21 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-471-5633 |
| Primary Part Number | HP7747-5H12 |
| 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 | 1.201 INCHES MINIMUM AND 1.248 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.451 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN |
| Hole Configuration Style | SPLINE |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.517 INCHES MINIMUM IN |
| Grip Diameter | 0.3115 INCHES MINIMUM AND 0.3120 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 |
| Hole Quantity | 1 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLED |
| Hole Diameter | 0.065 INCHES MINIMUM AND 0.075 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 |
|---|---|
| HP7747-5H12 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| VCG0002-5H12 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| MB155-5H12 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 11833-5H12 | Reid Products Inc. Dba Reid Products Inc (USA) |
| AIC688-5H12 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| MB155-5H12 PRIMARY | Hi-Shear Corporation (USA) |
| PBF1266-5H12 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| ST3M747-5H12 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| VS3191-5H12 | 5/9 Secondary reference U.S. Government activity |
| 122896-5H12 | 3/2 Design control — primary reference U.S. Government activity |
| S397-5H12 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-471-5633 is a Bolt,close Tolerance, manufactured by Heartland Precision Fasteners Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-471-5633 has 7 manufacturer part numbers on file: HP7747-5H12 (Heartland Precision Fasteners Inc), VCG0002-5H12 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), MB155-5H12 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), 11833-5H12 (Reid Products Inc. Dba Reid Products Inc), AIC688-5H12 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 2 more.
Key specifications for HP7747-5H12: Head Height: 0.187 INCHES NOMINAL IN; Fastener Length: 1.201 INCHES MINIMUM AND 1.248 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.451 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN. 21 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.