Product Details | U BOLT

5306-00-431-6651 An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter U and with both ends threaded.

Part Alternates: 10937745, 5306-00-431-6651, 00-431-6651, 5306004316651, 004316651

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 05 MAY 1971 00-431-6651

Drawings & Photos | NSN 5306-00-431-6651


Cross Reference | NSN 5306-00-431-6651

Part Number Cage Code Manufacturer
10937745 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

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Technical Data | NSN 5306-00-431-6651

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.750 INCHES
THREAD QUANTITY PER INCH 16
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 2.500 INCHES MINIMUM
MATERIAL STEEL COMP 8640 OR STEEL COMP 8642 OR STEEL COMP 8645 OR STEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OR 66 FED STD ALL MATERIAL RESPONSES OR SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE AND QQ-Z-325,TYPE 2,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE AND TT-P-636 FED SPEC 3RD TREATMENT RESPONSE OR TT-P-664 FED SPEC 3RD TREATMENT RESPONSE OR MIL-P-14553 MIL SPEC 3RD TREATMENT RESPONSE OVERALL
HARDNESS RATING 28.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR B31 SQUARE BEND
DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END 12.375 INCHES NOMINAL
INSIDE DISTANCE BETWEEN SHANKS 2.562 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5306-00-431-6651

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information