The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-01-286-6388, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 18 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-286-6388 |
| Primary Part Number | 68A410615-2003 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.100 INCHES NOMINAL IN |
| Fastener Length | 1.573 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MMS-420,CAGEC 76301 MFR REF SINGLE TREATMENT RESPONSE POINT |
| Surface Treatment Document and Classification | MMS-420,CAGEC 76301 MFR REF SINGLE TREATMENT RESPONSE TOP OF HEAD |
| Surface Treatment Document and Classification | PS13145,CAGEC 76301 MFR REF SINGLE TREATMENT RESPONSE GRIP |
| Surface Treatment Document and Classification | PS13145,CAGEC 76301 MFR REF SINGLE TREATMENT RESPONSE SIDES OF HEAD |
| Surface Treatment Document and Classification | PS13145,CAGEC 76301 MFR REF SINGLE TREATMENT RESPONSE THREADS |
| Distance From Centerline to Flat | 0.290 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN |
| Concentric Hole Depth | 1.160 INCHES NOMINAL IN |
| Thread Length | 0.343 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.105 INCHES MINIMUM AND 0.108 INCHES MAXIMUM FIRST HOLE IN |
| Style Designator | CONCENTRIC HOLE UNTHREADED |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | DEE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Concentric Hole Diameter | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN |
| Color | WHITE TOP OF HEAD |
| Color | WHITE POINT |
| Surface Treatment | CADMIUM AND CHROMATE THREADS |
| Surface Treatment | CADMIUM AND CHROMATE GRIP |
| Surface Treatment | CADMIUM AND CHROMATE SIDES OF HEAD |
| Surface Treatment | ENAMEL POINT |
| Surface Treatment | ENAMEL TOP OF HEAD |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP E4340 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| 68A410615-2003 | Alatus Aerosystems Dba F.k.a., Triumph Structures-Los Angeles (USA) |
| 68A410615-2003 | Heroux-Devtek Inc (CAN) |
| 68A410615-2003 | Transaero, Inc. (USA) |
| 68A410615-2003 | Esna, Llc (USA) |
| 68A410615-2003 PRIMARY | The Boeing Company Div Defense (USA) |
| 68A410615-2003 | Ace Precision Industries Inc (USA) |
| 68A410615-2003 | Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co (USA) |
| 68A410615-2003 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 68A410615-2003 | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| 68A410615-2003 | Triumph Actuation Systems - Connecticut, Llc (USA) |
| 68A410615-2003 | International Precision, Inc (USA) |
| 68A410615-2003 | Goodrich Corporation (USA) |
| 68A410615-2003 | Es3 Prime Logistics Group Inc Dba Es3 Plg (USA) |
| 68A410615-2003 | Western Precision Inc. Div Utah Tool & Die (USA) |
| 68A410615-2003 | Nassau Tool Works, Inc (USA) |
| 68A410615-2003 | Kitco Llc (USA) |
| 68A410615-2003 | Hdi Landing Gear Usa Inc (USA) |
| 68A410615-2003 | Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) (USA) |
| Reference | Meaning |
|---|---|
| 68A410615-2003 | 5/9 Secondary reference Quality Socket Screw Manufacturing Corp |
| 68A410615-2003 | 5/2 Secondary reference U.S. Government activity |
| 68A410615-2003 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 68A410615-2003 | 5/9 Secondary reference Eagle Tool & Machine Co., Inc. |
| 68A410615-2003 | 5/9 Secondary reference C & H Manufacturing Inc |
| 68A410615-2003 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-286-6388 is a Bolt,internally Relieved Body, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-286-6388 has 18 manufacturer part numbers on file: 68A410615-2003 (Alatus Aerosystems Dba F.k.a., Triumph Structures-Los Angeles), 68A410615-2003 (Heroux-Devtek Inc), 68A410615-2003 (Transaero, Inc.), 68A410615-2003 (Esna, Llc), 68A410615-2003 (The Boeing Company Div Defense) and 13 more.
Key specifications for 68A410615-2003: Head Height: 0.100 INCHES NOMINAL IN; Fastener Length: 1.573 INCHES NOMINAL IN; Surface Treatment Document and Classification: MMS-420,CAGEC 76301 MFR REF SINGLE TREATMENT RESPONSE POINT; Surface Treatment Document and Classification: MMS-420,CAGEC 76301 MFR REF SINGLE TREATMENT RESPONSE TOP OF HEAD. 29 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.