Airframe Bolt - Length: 4-9/32", Grip: 3-13/16", Thread: 1/4-28, Cadmium Plated Steel, Undrilled Shank
| Detail | Characteristic |
| FASTENER LENGTH | 4.281 INCHES NOMINAL |
| FEATURES PROVIDED | FINISHED HEAD |
| GRIP LENGTH | 3.812 INCHES NOMINAL |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 4037 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 4140 OVERALL |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.469 INCHES MINIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 28 |
| WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
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Inventory |
N/A {461} |
Estimated Ship Date |
N/A Ships in 1 Business Day |
Inventory Note |
N/A Need additional stock? Call (877) 920-1876 or email |
Thread Size |
N/A 1/4-28 |
Length |
N/A 4-9/32 in |
Grip |
N/A 3-13/16 in |
Drilling |
N/A Undrilled Head |
Head Type |
N/A Hexagon |
Industry Standards/Certification |
N/A AN4 |
Weight |
N/A 0.06 lb |
NSN |
N/A 5306-00-151-0456 |
NIIN |
N/A 00-151-0456 |
Part # Unpunctuated |
N/A AN442A |
Minimum Order Note |
N/A Minimum order is 10. Must order in increments of 1. |
Country of Origin |
N/A USA |
Note |
N/A Our inventory is extensive. The majority of the items listed in our catalog are stocked and available for immediate shipment. |
California Residents |
N/A Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm. |
