The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-204-5474, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Valley-Todeco, Inc. Dba Arconic Fastening Systems. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-204-5474 |
| Primary Part Number | BACB30NF14-68 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| 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 | 0.438 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN |
| Fastener Length | 4.235 INCHES MINIMUM AND 4.265 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.737 INCHES MINIMUM AND 0.787 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Head Style | UNDERCUT HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 3.478 INCHES MINIMUM AND 3.498 INCHES MAXIMUM IN |
| Width Between Flats | 1.239 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN |
| Grip Diameter | 0.8730 INCHES MINIMUM AND 0.8740 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 140000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 14 |
| Material | STEEL COMP E4340 OR STEEL COMP 8740 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 |
|---|---|
| BACB30NF14-68 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30NF14-68 | Federal Manufacturing Corp (USA) |
| BACB30NF14-68 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30NF14-68 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30NF14-68 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30NF14-68 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| BACB30NF14-68 | 5/9 Secondary reference U.S. Government activity |
| BACB30NF14-68 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30NF14-68 | 5/9 Secondary reference U.S. Government activity |
| BACB30NF14-68 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| BACB30NF14-68 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-204-5474 is a Bolt,close Tolerance, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-204-5474 has 6 manufacturer part numbers on file: BACB30NF14-68 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30NF14-68 (Federal Manufacturing Corp), BACB30NF14-68 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACB30NF14-68 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30NF14-68 (Sps Technologies, Llc Dba PB Fasteners) and 1 more.
Key specifications for BACB30NF14-68: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.438 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN. 20 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.