The Bolt,machine, cataloged under National Stock Number 5306-01-654-6300, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 12 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-654-6300 |
| Primary Part Number | BACB30LE4K11 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Extended Washer Thickness | 0.032 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN |
| Head Height | 0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN |
| Fastener Length | 0.6875 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN |
| Thread Length | 0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| Material Document and Classification | SAE-AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.347 INCHES MINIMUM AND 0.361 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 660 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 |
|---|---|
| BACB30LE4K11 | Morton Grinding, Inc Dba Morton Manufacturing (USA) |
| BACB30LE4K11 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30LE4K11 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| BACB30LE4K11 | Federal Manufacturing Corp (USA) |
| BACB30LE4K11 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30LE4K11 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| BACB30LE4K11 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30LE4K11 PRIMARY | The Boeing Company (USA) |
| BACB30LE4K11 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30LE4K11 | Huck International, Inc (USA) |
| BACB30LE4K11 | Howmet Global Fastening Systems Inc (USA) |
| BACB30LE4K11 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| Reference | Meaning |
|---|---|
| BACB30LE4K11 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5306-01-654-6300 is a Bolt,machine, manufactured by The Boeing Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-654-6300 has 12 manufacturer part numbers on file: BACB30LE4K11 (Morton Grinding, Inc Dba Morton Manufacturing), BACB30LE4K11 (Sps Technologies, Llc Dba PB Fasteners), BACB30LE4K11 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), BACB30LE4K11 (Federal Manufacturing Corp), BACB30LE4K11 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 7 more.
Key specifications for BACB30LE4K11: Extended Washer Thickness: 0.032 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN; Head Height: 0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN; Fastener Length: 0.6875 INCHES NOMINAL IN; Extended Washer Diameter: 0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN. 15 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.