The Bolt,machine, cataloged under National Stock Number 5306-00-043-2173, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-043-2173 |
| Primary Part Number | 756327-101 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing |
| Status | ACTIVE |
| Head Height | 0.116 INCHES NOMINAL IN |
| Fastener Length | 1.760 INCHES NOMINAL IN |
| Distance From Centerline to Flat | 0.337 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN |
| Thread Length | 0.323 INCHES MINIMUM IN |
| Shank Unthreaded Hole Diameter | 0.108 INCHES NOMINAL FIRST HOLE IN |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DEE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.437 INCHES NOMINAL IN |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.636 INCHES NOMINAL FIRST HOLE IN |
| Head Diameter | 1.000 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 |
|---|---|
| 756327-101 | Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing (USA) |
| 756327-101 | A and M Aerospace, Inc. (USA) |
| 756327-101 | Skyspares Parts Inc (USA) |
| 756327-101 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| 756327-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-043-2173 is a Bolt,machine, manufactured by Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-043-2173 has 4 manufacturer part numbers on file: 756327-101 (Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing), 756327-101 (A and M Aerospace, Inc.), 756327-101 (Skyspares Parts Inc), 756327-101 (Valley-Todeco, Inc. Dba Arconic Fastening Systems).
Key specifications for 756327-101: Head Height: 0.116 INCHES NOMINAL IN; Fastener Length: 1.760 INCHES NOMINAL IN; Distance From Centerline to Flat: 0.337 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN; Thread Length: 0.323 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.