The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-469-1447, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies Llc Dba PB Fasteners Div PB Fasteners. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-469-1447 |
| Primary Part Number | PBF1266-4D26 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.164 INCHES NOMINAL IN |
| Fastener Length | 3.700 INCHES NOMINAL IN |
| Thread Length | 3.500 INCHES NOMINAL IN |
| Nominal Thread Diameter | 3.500 INCHES IN |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 3.600 INCHES NOMINAL IN |
| Head Minor Diameter | 0.452 INCHES NOMINAL IN |
| Grip Diameter | 0.051 INCHES NOMINAL IN |
| Thread Class | 1A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| ST3M747-4D26 | The Boeing Company Div Defense (USA) |
| PBF1266-4D26 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M747-4D26 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| SLB254-4D26 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| 122896-4D26 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HP7747-4D26 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| AIC688-4D26 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| MB155-4D26 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M747-4D26 | Houston Precision Fasteners I Lp (USA) |
| GS1031-4D26 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| VCG0002-4D26 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| S397-4D26 PRIMARY | Huck International, Inc (USA) |
| MB155-4D26 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| S397-4D26 | 5/9 Secondary reference U.S. Government activity |
| 122896-4D26 | 5/9 Secondary reference Sps Technologies Inc |
| 122896-4D26 | 3/2 Design control — primary reference U.S. Government activity |
| VS3191-4D26 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-469-1447 is a Bolt,close Tolerance, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-469-1447 has 13 manufacturer part numbers on file: ST3M747-4D26 (The Boeing Company Div Defense), PBF1266-4D26 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), ST3M747-4D26 (Fastener Innovation Technology, Inc. Dba F I T), SLB254-4D26 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), 122896-4D26 (Sps Technologies, Llc Dba PB Fasteners) and 8 more.
Key specifications for PBF1266-4D26: Head Height: 0.164 INCHES NOMINAL IN; Fastener Length: 3.700 INCHES NOMINAL IN; Thread Length: 3.500 INCHES NOMINAL IN; Nominal Thread Diameter: 3.500 INCHES 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.