The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-00-863-9343, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-863-9343 |
| Primary Part Number | 388613-1 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co |
| Status | ACTIVE |
| Head Height | 0.120 INCHES NOMINAL IN |
| Fastener Length | 9.060 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | LAC496,FSCM 98897 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.280 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Style Designator | CONCENTRIC HOLE UNTHREADED |
| Nominal Thread Diameter | 2.000 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Concentric Hole Diameter | 1.375 INCHES NOMINAL IN |
| Surface Treatment | CHROMIUM OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP E4340 OR STEEL COMP 4340 OVERALL |
| Thread Series Designator | UNEF |
| Head Diameter | 2.750 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 | F |
| Part Number | Manufacturer |
|---|---|
| 388613-1 | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (USA) |
| Reference | Meaning |
|---|---|
| 388613-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-863-9343 is a Bolt,internally Relieved Body, manufactured by Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-863-9343 has 1 manufacturer part number on file: 388613-1 (Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co).
Key specifications for 388613-1: Head Height: 0.120 INCHES NOMINAL IN; Fastener Length: 9.060 INCHES NOMINAL IN; Surface Treatment Document and Classification: LAC496,FSCM 98897 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.280 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN. 16 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.