The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-01-014-7744, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Commercial. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-014-7744 |
| Primary Part Number | 66-3932-1 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Commercial |
| Status | ACTIVE |
| Head Height | 0.250 INCHES NOMINAL IN |
| Fastener Length | 7.630 INCHES NOMINAL IN |
| Thread Length | 0.780 INCHES NOMINAL IN |
| Hardness Rating | 33.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.156 INCHES NOMINAL FIRST HOLE IN |
| Style Designator | CONCENTRIC HOLE UNTHREADED |
| Material Document and Classification | AMS 6407 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Head Style | ROUND W/WRENCH FLATS |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.620 INCHES NOMINAL IN |
| Shoulder Diameter | 1.1234 INCHES MINIMUM AND 1.1246 INCHES MAXIMUM IN |
| Nonstandard Thread Pitch Diameter | +0.9557 TO 0.9594 INCHES IN |
| Concentric Hole Diameter | 0.530 INCHES NOMINAL IN |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Shoulder Length | 6.850 INCHES NOMINAL IN |
| Thread Series Designator | UNS |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 7.370 INCHES NOMINAL FIRST HOLE IN |
| Head Diameter | 1.750 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 |
|---|---|
| 66-3932-1 PRIMARY | The Boeing Company Div Commercial (USA) |
| Reference | Meaning |
|---|---|
| 66-3932-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-014-7744 is a Bolt,internally Relieved Body, manufactured by The Boeing Company Div Commercial, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-014-7744 has 1 manufacturer part number on file: 66-3932-1 (The Boeing Company Div Commercial).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-068-3323. Verify interchangeability with system specifications before substitution.
Key specifications for 66-3932-1: Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 7.630 INCHES NOMINAL IN; Thread Length: 0.780 INCHES NOMINAL IN; Hardness Rating: 33.0 ROCKWELL C MAXIMUM OVERALL. 21 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.