The Bolt,machine, cataloged under National Stock Number 5306-01-475-1615, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 12 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-475-1615 |
| Primary Part Number | ST3M507-5-27 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Fastener Length | 2.139 INCHES MINIMUM AND 2.186 INCHES MAXIMUM IN |
| Thread Length | 0.467 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.3125 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.678 INCHES MINIMUM AND 1.698 INCHES MAXIMUM IN |
| Width Between Flats | 0.562 INCHES NOMINAL IN |
| Grip Diameter | 0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 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 |
|---|---|
| ST3M507-5-27 | Huck International, Inc (USA) |
| ST3M507-5-27 | Hi-Shear Corporation (USA) |
| ST3M507-5-27 PRIMARY | The Boeing Company Div Defense (USA) |
| ST3M507-5-27 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M507-5-27 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| ST3M507-5-27 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| ST3M507-5-27 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M507-5-27 | J M Precision Inc (USA) |
| ST3M507-5-27 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M507-5-27 | Howmet Global Fastening Systems Inc (USA) |
| ST3M507-5-27 | Heartland Precision Fasteners Inc (USA) |
| ST3M507-5-27 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
NSN 5306-01-475-1615 is a Bolt,machine, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-475-1615 has 12 manufacturer part numbers on file: ST3M507-5-27 (Huck International, Inc), ST3M507-5-27 (Hi-Shear Corporation), ST3M507-5-27 (The Boeing Company Div Defense), ST3M507-5-27 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), ST3M507-5-27 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries) and 7 more.
Key specifications for ST3M507-5-27: Head Height: 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN; Fastener Length: 2.139 INCHES MINIMUM AND 2.186 INCHES MAXIMUM IN; Thread Length: 0.467 INCHES NOMINAL IN; Nominal Thread Diameter: 0.3125 INCHES IN. 13 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.