The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-449-4456, 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. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 16 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-449-4456 |
| Primary Part Number | 109453-10D34 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Fastener Length | 2.886 INCHES MINIMUM AND 2.933 INCHES MAXIMUM IN |
| Thread Length | 0.777 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.141 INCHES MINIMUM AND 0.161 INCHES MAXIMUM FIRST HOLE IN |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | UNDERCUT HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.109 INCHES MINIMUM AND 2.933 INCHES MAXIMUM IN |
| Width Between Flats | 0.940 INCHES MINIMUM IN |
| Grip Diameter | 0.6235 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.877 INCHES NOMINAL 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 | X |
| Part Number | Manufacturer |
|---|---|
| WC453-10D34 | West Coast Aerospace, Inc. (USA) |
| ST3M453-10D34 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| GS1016-10D34 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| BM17019-10D34 | Huck International, Inc (USA) |
| ST3M453-10D34 | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| ST3M453-10D34 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| ST3M453-10D34 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| ST3M453-10D34 | Houston Precision Fasteners I Lp (USA) |
| ST3M453-10D34 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M453-10D34 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 109453-10D34 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| MB61-10D34 | Hi-Shear Corporation (USA) |
| MB61-10D34 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| VS3204-10D34 | Howmet Global Fastening Systems Inc (USA) |
| SLB252-10D34 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| 11825-10D34 | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| HP5453-10D34 | 5/9 Secondary reference Heartland Precision Fasteners Inc |
| ST3M453-10D34 | 5/9 Secondary reference U.S. Government activity |
| 109453-10D34 | 5/2 Secondary reference U.S. Government activity |
| ST3M453-10D34 | 5/9 Secondary reference Kenaloy Products Inc Sub Masco Corp |
| ST3M453-10D34 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5306-01-449-4456 is a Bolt,close Tolerance, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-449-4456 has 16 manufacturer part numbers on file: WC453-10D34 (West Coast Aerospace, Inc.), ST3M453-10D34 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), GS1016-10D34 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), BM17019-10D34 (Huck International, Inc), ST3M453-10D34 (Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc) and 11 more.
Key specifications for 109453-10D34: Head Height: 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN; Fastener Length: 2.886 INCHES MINIMUM AND 2.933 INCHES MAXIMUM IN; Thread Length: 0.777 INCHES NOMINAL IN; Shank Unthreaded Hole Diameter: 0.141 INCHES MINIMUM AND 0.161 INCHES MAXIMUM FIRST HOLE IN. 17 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.