The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-068-1306, 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 19 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-068-1306 |
| Primary Part Number | BACB30NE7-15 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN |
| Fastener Length | 1.617 INCHES MINIMUM AND 1.647 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.669 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MILL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS 6300 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | UNDERCUT HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM IN |
| Width Between Flats | 0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Grip Diameter | 0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 4037 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| BACB30NE7-15 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30NE7-15 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30NE7-15 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30NE7-15 | Howmet Global Fastening Systems Inc (USA) |
| BACB30NE7-15 | Federal Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| BACB30NE7-15 | 5/2 Secondary reference U.S. Government activity |
| BACB30NE7-15 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-068-1306 is a Bolt,close Tolerance, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-068-1306 has 5 manufacturer part numbers on file: BACB30NE7-15 (Sps Technologies, Llc Dba PB Fasteners), BACB30NE7-15 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30NE7-15 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30NE7-15 (Howmet Global Fastening Systems Inc), BACB30NE7-15 (Federal Manufacturing Corp).
Key specifications for BACB30NE7-15: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN. 19 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.