The Bolt,machine, cataloged under National Stock Number 5306-00-704-2972, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-704-2972 |
| Primary Part Number | S6110-21107 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Surface Finish | 100.0 MICROINCHES OVERALL |
| Head Height | 0.187 INCHES NOMINAL IN |
| Fastener Length | 3.334 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES MINIMUM IN |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | ROUND W/WRENCH FLATS |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.865 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP E4340 OVERALL |
| Thread Series Designator | UNEF |
| Head Diameter | 1.047 INCHES NOMINAL IN |
| 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 |
|---|---|
| S6110-21107 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 5306-00-704-2972 is a Bolt,machine, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-704-2972 has 1 manufacturer part number on file: S6110-21107 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for S6110-21107: Surface Finish: 100.0 MICROINCHES OVERALL; Head Height: 0.187 INCHES NOMINAL IN; Fastener Length: 3.334 INCHES NOMINAL IN; Thread Length: 0.500 INCHES MINIMUM IN. 17 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.