The Bolt,machine, cataloged under National Stock Number 5306-01-370-5787, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Federal Manufacturing Corp. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-370-5787 |
| Primary Part Number | BACB30LE5K10 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Federal Manufacturing Corp |
| Status | ACTIVE |
| Extended Washer Thickness | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Head Height | 0.309 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN |
| Fastener Length | 1.203 INCHES MINIMUM AND 1.233 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | BMS 10-85,TY I MFR REF SINGLE TREATMENT RESPONSE THREADS |
| Extended Washer Diameter | 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN |
| Thread Length | 0.593 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.3125 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Width Between Flats | 0.418 INCHES MINIMUM AND 0.434 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM THREADS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 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 |
|---|---|
| BACB30LE5K10 | Federal Manufacturing Corp (USA) |
| BACB30LE5K10 | Howmet Global Fastening Systems Inc (USA) |
| BACB30LE5K10 | Huck International, Inc (USA) |
| BACB30LE5K10 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACB30LE5K10 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30LE5K10 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30LE5K10 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30LE5K10 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| BACB30LE5K10 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BACB30LE5-10 | 5/9 Secondary reference U.S. Government activity |
| BACB30LE5K10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-370-5787 is a Bolt,machine, manufactured by Federal Manufacturing Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-370-5787 has 9 manufacturer part numbers on file: BACB30LE5K10 (Federal Manufacturing Corp), BACB30LE5K10 (Howmet Global Fastening Systems Inc), BACB30LE5K10 (Huck International, Inc), BACB30LE5K10 (Howmet Global Fastening Systems Inc Div City of Industry Operations), BACB30LE5K10 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 4 more.
Key specifications for BACB30LE5K10: Extended Washer Thickness: 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Head Height: 0.309 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN; Fastener Length: 1.203 INCHES MINIMUM AND 1.233 INCHES MAXIMUM IN; Surface Treatment Document and Classification: BMS 10-85,TY I MFR REF SINGLE TREATMENT RESPONSE THREADS. 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.