The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-439-6468, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. The record lists 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | Hi-Shear Corporation (CAGE 73197); Heartland Precision Fasteners Inc (CAGE 0ZC92); Valley-Todeco, Inc. Dba Arconic Fastening Systems (CAGE 06710); Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAGE L4528); Huck International, Inc (CAGE 17446) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-439-6468 |
| Primary Part Number | MB615D28 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| MB615D28 PRIMARY | Hi-Shear Corporation (USA) |
| HP5453-5D28 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| VAL230295D28 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| MB615D28 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| BM17019-5D28 PRIMARY | Huck International, Inc (USA) |
| PBF12535D28 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M453-5D28 | The Boeing Company Div Defense (USA) |
| AIC753-5D28 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| GS1016-5D28 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| S11-1060-5D28 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| VS3204-5D28 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 109453-5D28 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| FIT7047-5D28 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| KS3020-5D28 | 5/9 Secondary reference Kenaloy Products Inc Sub Masco Corp |
| 109453-5D28 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-439-6468 is a Bolt,close Tolerance, manufactured by Hi-Shear Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-439-6468 has 13 manufacturer part numbers on file: MB615D28 (Hi-Shear Corporation), HP5453-5D28 (Heartland Precision Fasteners Inc), VAL230295D28 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), MB615D28 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), BM17019-5D28 (Huck International, Inc) and 8 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.