The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-144-5597, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | Howmet Global Fastening Systems Inc (CAGE 06950); Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (CAGE 16258); Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (CAGE 27624); Federal Manufacturing Corp (CAGE 17943); Howmet Global Fastening Systems Inc Div City of Industry Operations (CAGE 1RC86) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-144-5597 |
| Primary Part Number | BACB30LJ4DU24 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| BACB30LJ4DU24 | Howmet Global Fastening Systems Inc (USA) |
| BACB30LJ4DU24 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| BACB30LJ4DU24 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30LJ4DU24 | Federal Manufacturing Corp (USA) |
| BACB30LJ4DU24 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACB30LJ4DU24 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30LJ4DU24 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30LJ4DU24 PRIMARY | Huck International, Inc (USA) |
| BACB30LJ4DU24 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BACB30LJ4DU24 | 5/9 Secondary reference U.S. Government activity |
| BACB30LJ4DU24 | 5/2 Secondary reference U.S. Government activity |
| BACB30LJ4DU24 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30LJ4DU24 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-144-5597 is a Bolt,close Tolerance, manufactured by Huck International, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-144-5597 has 9 manufacturer part numbers on file: BACB30LJ4DU24 (Howmet Global Fastening Systems Inc), BACB30LJ4DU24 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), BACB30LJ4DU24 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACB30LJ4DU24 (Federal Manufacturing Corp), BACB30LJ4DU24 (Howmet Global Fastening Systems Inc Div City of Industry Operations) and 4 more.
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.