The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-449-5410, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Federal Manufacturing Corp. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-449-5410 |
| Primary Part Number | BACB30NE5D19 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Federal Manufacturing Corp |
| Status | ACTIVE |
| Head Height | 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN |
| Fastener Length | 1.641 INCHES MINIMUM AND 1.671 INCHES MAXIMUM IN |
| Thread Length | 0.469 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FASTENER IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.177 INCHES MINIMUM AND 1.977 INCHES MAXIMUM IN |
| Width Between Flats | 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Grip Diameter | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 4340 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.062 INCHES NOMINAL FASTENER 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 |
|---|---|
| BACB30NE5D19 | Federal Manufacturing Corp (USA) |
| BACB30NE5D19 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30NE5D19 | Howmet Global Fastening Systems Inc (USA) |
| BACB30NE5D19 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30NE5D19 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30NE5D19 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30NE5D19 | Huck International, Inc (USA) |
| BACB30NE5D19 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| Reference | Meaning |
|---|---|
| BACB30NE5D19 | 5/9 Secondary reference U.S. Government activity |
| BACB30NE5D19 | 5/2 Secondary reference U.S. Government activity |
| BACB30NE5D19 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-449-5410 is a Bolt,close Tolerance, manufactured by Federal Manufacturing Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-449-5410 has 8 manufacturer part numbers on file: BACB30NE5D19 (Federal Manufacturing Corp), BACB30NE5D19 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACB30NE5D19 (Howmet Global Fastening Systems Inc), BACB30NE5D19 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30NE5D19 (Sps Technologies, Llc Dba PB Fasteners) and 3 more.
Key specifications for BACB30NE5D19: Head Height: 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN; Fastener Length: 1.641 INCHES MINIMUM AND 1.671 INCHES MAXIMUM IN; Thread Length: 0.469 INCHES NOMINAL IN; Shank Unthreaded Hole Diameter: 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FASTENER IN. 16 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.