Product Details | INTERNAL WRENCHING BOLT

5306-00-251-7578 An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also SCREW, CAP, SOCKET HEAD. Excludes SETSCREW; SCREW, SHOULDER; BOLT, SHOULDER; SCREW, EXTERNALLY RELIEVED BODY; BOLT, EXTERNALLY RELIEVED BODY; and SCREW, MACHINE.

Part Alternates: 10162622, 5306-00-251-7578, 00-251-7578, 5306002517578, 002517578

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 13 JAN 1972 00-251-7578

Drawings & Photos | NSN 5306-00-251-7578


Cross Reference | NSN 5306-00-251-7578

Part Number Cage Code Manufacturer
10162622 18876 U S ARMY AVIATION AND MISSILE COMMAND

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Technical Data | NSN 5306-00-251-7578

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM
FASTENER LENGTH 3.240 INCHES MINIMUM AND 3.260 INCHES MAXIMUM
MATERIAL STEEL COMP 4130 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-6758,COND D MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 180000 POUNDS PER SQUARE INCH
HEAD DIAMETER 0.450 INCHES MINIMUM AND 0.470 INCHES MAXIMUM
HEAD HEIGHT 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
MANUFACTURERS CODE 18876
DESIGN CONTROL REFERENCE 10162622

Restrictions/Controls & Freight Information | NSN 5306-00-251-7578

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 093470 BOLTS/NUTS I/S
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 573 unknown
Originating Activity Code BD U.S. Army Aviation and Missile Command
Redstone Arsenal, AL 35898-5230
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable