The Bolt,square Neck, cataloged under National Stock Number 5306-01-706-0870, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 19 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-706-0870 |
| Primary Part Number | AEB11C250750WA64C1 |
| Item Name | Bolt,square Neck |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Neck Length | 0.160 INCHES NOMINAL IN |
| Head Height | 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | ASTM F1941,ZINC COATING FE/ZN,TRIVALENT CHROMATE,TY 5CT NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.590 INCHES NOMINAL IN |
| Hardness Rating | 33.0 ROCKWELL C NOMINAL OVERALL |
| Material Document and Classification | SAE J429 - GRADE 8 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | OVAL |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 05047-ASME B18.24-2020 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Neck Width | 0.237 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Surface Treatment | CHROMATE ZINC OVERALL |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.563 INCHES MINIMUM AND 0.594 INCHES MAXIMUM 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 |
|---|---|
| 97000A510 | Mcmaster-Carr Supply Co (USA) |
| AEB11C250750WA64C1 PRIMARY | The American Society of Mechanical Engineers (USA) |
NSN 5306-01-706-0870 is a Bolt,square Neck, manufactured by The American Society of Mechanical Engineers, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-706-0870 has 2 manufacturer part numbers on file: 97000A510 (Mcmaster-Carr Supply Co), AEB11C250750WA64C1 (The American Society of Mechanical Engineers).
Key specifications for AEB11C250750WA64C1: Neck Length: 0.160 INCHES NOMINAL IN; Head Height: 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN; Fastener Length: 0.750 INCHES NOMINAL IN; Surface Treatment Document and Classification: ASTM F1941,ZINC COATING FE/ZN,TRIVALENT CHROMATE,TY 5CT NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL. 19 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.