The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-01-052-2408, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Tronson Manufacturing, Inc. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-052-2408 |
| Primary Part Number | 65-23413-12 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Tronson Manufacturing, Inc |
| Status | ACTIVE |
| Head Height | 0.190 INCHES NOMINAL IN |
| Fastener Length | 3.380 INCHES NOMINAL IN |
| Concentric Hole Depth | 0.950 INCHES NOMINAL IN |
| Thread Length | 0.610 INCHES NOMINAL IN |
| Style Designator | CONCENTRIC HOLE UNTHREADED |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Head Style | SQUARE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.400 INCHES NOMINAL IN |
| Shoulder Diameter | 1.0601 INCHES MINIMUM AND 1.0615 INCHES MAXIMUM IN |
| Concentric Hole Diameter | 0.633 INCHES MINIMUM AND 0.636 INCHES MAXIMUM IN |
| Surface Treatment | CHROMIUM HEAD |
| Surface Treatment | CHROMIUM GRIP |
| Surface Treatment | CHROMIUM BEARING SURFACE OF HEAD |
| Surface Treatment | NICKEL THREADS |
| Minimum Tensile Strength | 210000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 14 |
| Material | STEEL OVERALL |
| Shoulder Length | 2.670 INCHES NOMINAL IN |
| Thread Series Designator | UNF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 65-23413-12 | Tronson Manufacturing, Inc (USA) |
| 65-23413-12 | The Boeing Company (USA) |
| 65-23413-12 | A. J. Associates Manufacturing & Engineering Co. Inc. (USA) |
| Reference | Meaning |
|---|---|
| 65-23413-12 | 5/2 Secondary reference U.S. Government activity |
| 65-23413-12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-052-2408 is a Bolt,internally Relieved Body, manufactured by Tronson Manufacturing, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-052-2408 has 3 manufacturer part numbers on file: 65-23413-12 (Tronson Manufacturing, Inc), 65-23413-12 (The Boeing Company), 65-23413-12 (A. J. Associates Manufacturing & Engineering Co. Inc.).
Key specifications for 65-23413-12: Head Height: 0.190 INCHES NOMINAL IN; Fastener Length: 3.380 INCHES NOMINAL IN; Concentric Hole Depth: 0.950 INCHES NOMINAL IN; Thread Length: 0.610 INCHES NOMINAL IN. 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.