The Bolt,shoulder, cataloged under National Stock Number 5306-00-827-9971, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-827-9971 |
| Primary Part Number | 727414-5 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co |
| Status | ACTIVE |
| Head Height | 0.188 INCHES NOMINAL IN |
| Fastener Length | 2.300 INCHES NOMINAL IN |
| Shoulder Length | 1.990 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.3108 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.310 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.562 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.130 INCHES NOMINAL FIRST HOLE 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 |
|---|---|
| 727414-5 | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (USA) |
| 727414-5 | A and M Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 727414-5 | 5/9 Secondary reference Blanc Aircraft Fasteners Inc |
| 727414-5 | 3/2 Design control — primary reference U.S. Government activity |
| AT-3-4 | 7/2 Vendor item drawing reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 727414-5 | 5/9 Secondary reference Lockheed Martin Corp Lockheed Martin Aeronautical Systems Burbank Opns |
NSN 5306-00-827-9971 is a Bolt,shoulder, manufactured by Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-827-9971 has 2 manufacturer part numbers on file: 727414-5 (Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co), 727414-5 (A and M Aerospace, Inc.).
Key specifications for 727414-5: Head Height: 0.188 INCHES NOMINAL IN; Fastener Length: 2.300 INCHES NOMINAL IN; Shoulder Length: 1.990 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.3108 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM FIRST SHOULDER 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.