The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-646-8259, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. The record lists 12 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-646-8259 |
| Primary Part Number | ST3M747-5H16 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| 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 |
|---|---|
| MB155-5H16 | Hi-Shear Corporation (USA) |
| HP7747-5H16 | Heartland Precision Fasteners Inc (USA) |
| 122896-5H16 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| GS1031-5H16 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| SLB254-5H16 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| ST3M747-5H16 PRIMARY | The Boeing Company Div Defense (USA) |
| S397-5H16 | Huck International, Inc (USA) |
| ST3M747-5H16 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M747-5H16 | Houston Precision Fasteners I Lp (USA) |
| PBF1266-5H16 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| VCG0002-5H16 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| AIC688-5H16 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| 122896-5H16122896-5H16 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-646-8259 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-646-8259 has 12 manufacturer part numbers on file: MB155-5H16 (Hi-Shear Corporation), HP7747-5H16 (Heartland Precision Fasteners Inc), 122896-5H16 (Sps Technologies, Llc Dba PB Fasteners), GS1031-5H16 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), SLB254-5H16 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok) and 7 more.
Key specifications for ST3M747-5H16: End Item Identification: F18 AIRCRAFT. 0 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.