The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-449-5411, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-449-5411 |
| Primary Part Number | BACB30NE5H11 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Head Height | 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Fastener Length | 1.017 INCHES MINIMUM AND 1.047 INCHES MAXIMUM IN |
| Thread Length | 0.345 INCHES NOMINAL IN |
| Hole Configuration Style | HEXAGON CORNERS |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN |
| Width Between Flats | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 4340 OVERALL |
| Hole Quantity | 3 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLED |
| Hole Diameter | 0.046 INCHES MINIMUM AND 0.056 INCHES MAXIMUM 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 |
|---|---|
| BACB30NE5H11 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30NE5H11 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30NE5H11 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| BACB30NE5H11 | 5/9 Secondary reference U.S. Government activity |
| BACB30NE5H11 | 5/2 Secondary reference U.S. Government activity |
| BACB30NE5H11 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-449-5411 is a Bolt,close Tolerance, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-449-5411 has 3 manufacturer part numbers on file: BACB30NE5H11 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30NE5H11 (Sps Technologies, Llc Dba PB Fasteners), BACB30NE5H11 (Huck International, Inc).
Key specifications for BACB30NE5H11: Head Height: 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN; Fastener Length: 1.017 INCHES MINIMUM AND 1.047 INCHES MAXIMUM IN; Thread Length: 0.345 INCHES NOMINAL IN; Hole Configuration Style: HEXAGON CORNERS. 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.