The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-436-4424, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc Div City of Industry Operations. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-436-4424 |
| Primary Part Number | BACB30TP3-8 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Howmet Global Fastening Systems Inc Div City of Industry Operations |
| Status | ACTIVE |
| Fastener Length | 0.667 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.181 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Point Style | CONE |
| Grip Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Grip Diameter | 0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.00 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 4340 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.337 INCHES MINIMUM AND 0.383 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 |
|---|---|
| BACB30TP3-8 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACB30TP3-8 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30TP3-8 | Federal Manufacturing Corp (USA) |
| BACB30TP3-8 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30TP3-8 | Howmet Global Fastening Systems Inc (USA) |
| BACB30TP3-8 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BACB30TP3-8 | 5/9 Secondary reference U.S. Government activity |
| BACB30TP3-8 | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| BACB30TP3-8 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-436-4424 is a Bolt,close Tolerance, manufactured by Howmet Global Fastening Systems Inc Div City of Industry Operations, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-436-4424 has 6 manufacturer part numbers on file: BACB30TP3-8 (Howmet Global Fastening Systems Inc Div City of Industry Operations), BACB30TP3-8 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30TP3-8 (Federal Manufacturing Corp), BACB30TP3-8 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30TP3-8 (Howmet Global Fastening Systems Inc) and 1 more.
Key specifications for BACB30TP3-8: Fastener Length: 0.667 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.181 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.190 INCHES 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.