The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-00-678-7294, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 25 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-678-7294 |
| Primary Part Number | 10865523 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 0.625 INCHES NOMINAL IN |
| Fastener Length | 6.062 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Internal Thread Length | 0.875 INCHES MINIMUM COUNTERBORE IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) COUNTERBORE |
| Concentric Hole Depth | 1.250 INCHES NOMINAL IN |
| Internal Thread Direction | RIGHT-HAND COUNTERBORE |
| Thread Length | 1.028 INCHES MINIMUM AND 1.095 INCHES MAXIMUM IN |
| Hardness Rating | 22.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Threads Per Inch | 16 COUNTERBORE |
| Style Designator | COUNTERBORE THREADED |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES COUNTERBORE IN |
| Width Between Flats | 1.469 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Internal Thread Class | 2B CONCENTRIC HOLE |
| Concentric Hole Diameter | 0.312 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 1035 OR STEEL COMP 1045 OVERALL |
| Shoulder Length | 4.795 INCHES MINIMUM AND 4.830 INCHES MAXIMUM 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 | X |
| Part Number | Manufacturer |
|---|---|
| 10865523 | Fnss Savunma Sistemleri Anonim Sirketi (TUR) |
| 10865523 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5306006787294 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 152098005003 | 8/1 NATO reproduction reference Lukarelli Simo |
NSN 5306-00-678-7294 is a Bolt,internally Relieved Body, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-678-7294 has 2 manufacturer part numbers on file: 10865523 (Fnss Savunma Sistemleri Anonim Sirketi), 10865523 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10865523: Head Height: 0.625 INCHES NOMINAL IN; Fastener Length: 6.062 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL; Internal Thread Length: 0.875 INCHES MINIMUM COUNTERBORE IN. 25 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.