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MB61-10D33

View detailed technical data, stock status, and sourcing information for: MB61-10D33

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MB61-10D33
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-00-357-1881
Item Name Code
27851
Assigment Date
02/08/1974 (52 years ago)

An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

double hexagon head style, 2.823 inches minimum and 2.870 inches maximum fastener length, right-hand thread direction, 0.751 inches minimum and 0.818 inches maximum thread length, 3a thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
3a
Thread Direction
right-hand
Thread Length
0.751 inches minimum and 0.818 inches maximum
Fastener Length
2.823 inches minimum and 2.870 inches maximum
Head Style
double hexagon
Head Height
0.340 inches minimum and 0.360 inches maximum
Width Between Flats
0.928 inches minimum and 0.940 inches maximum
Grip Diameter
0.6235 inches minimum and 0.6240 inches maximum
Shank Unthreaded Hole Diameter
0.141 inches minimum and 0.146 inches maximum first hole
Nominal Thread Diameter
0.625 inches
Grip Length
2.052 inches minimum and 2.072 inches maximum
Thread Quantity Per Inch
18
Distance From Head Largest Bearing Surface To Shank Hole Center
2.694 inches minimum and 2.751 inches maximum first hole
Material
steel corrosion resisting overall
Thread Series Designator
unf
Specification/Standard Data
08524-b-17019 manufacturers standard

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
109453-10D33 Close Tolerance Bolt
11825-10D33 Close Tolerance Bolt
BM17019-10D33 Close Tolerance Bolt
GS1016-10D33 Close Tolerance Bolt
MB61-10D33 Close Tolerance Bolt
ST3M453-10D33 Close Tolerance Bolt
US3204-10D33 Close Tolerance Bolt
VAL23029-10D33 Close Tolerance Bolt

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5306-00-357-1881?
The FSCG of the NSN 5306-00-357-1881 is 5306
Does the NSN 5306-00-357-1881 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-357-1881 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5306-00-357-1881 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-357-1881 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5306-00-357-1881 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Fri, Feb 8, 1974

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