The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-575-2680, 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 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-575-2680 |
| Primary Part Number | BACB30LM6-19 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.188 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS-QQ-P-416 TYPE II.CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.578 INCHES NOMINAL IN |
| Material Document and Classification | AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.187 INCHES NOMINAL IN |
| Grip Diameter | 0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 4340 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 |
|---|---|
| BACB30LM6-19 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30LM6-19 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACB30LM6-19 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30LM6-19 | Federal Manufacturing Corp (USA) |
| BACB30LM6-19 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30LM6-19 | Blanc Aero Industrie Villefranche De Rouergue - Groupe Lisi Aerospace (FRA) |
| Reference | Meaning |
|---|---|
| BACB30LM6-19 | 5/2 Secondary reference U.S. Government activity |
| BACB30NE6-19 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-575-2680 is a Bolt,close Tolerance, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-575-2680 has 6 manufacturer part numbers on file: BACB30LM6-19 (Sps Technologies, Llc Dba PB Fasteners), BACB30LM6-19 (Howmet Global Fastening Systems Inc Div City of Industry Operations), BACB30LM6-19 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30LM6-19 (Federal Manufacturing Corp), BACB30LM6-19 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 1 more.
Key specifications for BACB30LM6-19: Head Height: 0.188 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS-QQ-P-416 TYPE II.CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.578 INCHES NOMINAL IN; Material Document and Classification: AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 14 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.