The Bolt,close Tolerance, cataloged under National Stock Number 5306-00-528-4945, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 25 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-528-4945 |
| Primary Part Number | BM17019-10D32 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Head Height | 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Fastener Length | 2.761 INCHES MINIMUM AND 2.808 INCHES MAXIMUM IN |
| Thread Length | 0.751 INCHES MINIMUM AND 0.818 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 08524-B-17019 MANUFACTURERS STANDARD |
| Grip Length | 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN |
| Width Between Flats | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Grip Diameter | 0.6235 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP H11 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.635 INCHES MINIMUM AND 1.692 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 | X |
| Part Number | Manufacturer |
|---|---|
| ST3M453-10D32 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M453-10D32 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| VS3204-10D32 | Howmet Global Fastening Systems Inc (USA) |
| MB61-10D32 | Hi-Shear Corporation (USA) |
| ST3M453-10D32 | Houston Precision Fasteners I Lp (USA) |
| ST3M453-10D32 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| S11-1060-10D32 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| MB61-10D32 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M453-10D32 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| SLB252-10D32 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| AIC753-10D32 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| VAL23029-10D32 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| ST3M453-10D32 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M453-10D32 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BM17019-10D32 PRIMARY | Huck International, Inc (USA) |
| ST3M453-10D32 | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| ST3M453-10D32 | Hi-Shear Corporation (USA) |
| ST3M453-10D32 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| ST3M453-10D32 | Howmet Global Fastening Systems Inc (USA) |
| 109453-10D32 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| ST3M453-10D32 | 5/9 Secondary reference Kenaloy Products Inc Sub Masco Corp |
| BM17019-10D32 | 5/9 Secondary reference U.S. Government activity |
| ST3M453-10D32 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| ST3M453-10D32 | 5/2 Secondary reference U.S. Government activity |
| 109453-10D32 | 5/2 Secondary reference U.S. Government activity |
| ST3M453-10D32 | 5/9 Secondary reference Heartland Precision Fasteners Inc |
NSN 5306-00-528-4945 is a Bolt,close Tolerance, manufactured by Huck International, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-528-4945 has 25 manufacturer part numbers on file: ST3M453-10D32 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), ST3M453-10D32 (Sps Technologies, Llc Dba PB Fasteners), VS3204-10D32 (Howmet Global Fastening Systems Inc), MB61-10D32 (Hi-Shear Corporation), ST3M453-10D32 (Houston Precision Fasteners I Lp) and 20 more.
Key specifications for BM17019-10D32: Head Height: 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN; Fastener Length: 2.761 INCHES MINIMUM AND 2.808 INCHES MAXIMUM IN; Thread Length: 0.751 INCHES MINIMUM AND 0.818 INCHES MAXIMUM IN; Shank Unthreaded Hole Diameter: 0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE IN. 18 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.