Close Tolerance Bolt

GB511BY4M24

GB511BY4M24
(NSN) National Stock Number
5306-00-533-8232
Federal Supply Classification
5306 Bolts
Item Name Code
27851
Schedule B Code
8109900000
Summary

3a thread class, right-hand thread direction, 0.400 inches minimum and 0.450 inches maximum thread length, 1.910 inches minimum and 1.940 inches maximum fastener length, hexagon head style, 0.125 inches minimum and 0.140 inches maximum head height

DAC HCC DMIL RNCC
2 - - 1
RNVC SADC MSDS RNAAC
2 - - ZZ
Identification

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.

INC FIIG Concept Condition
27851 A003B0 - 1
Specifications
Thread Class
3a
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Thread Direction
right-hand
Details The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.
Thread Length
0.400 inches minimum and 0.450 inches maximum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
1.910 inches minimum and 1.940 inches maximum
Details The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.
Head Style
hexagon
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Height
0.125 inches minimum and 0.140 inches maximum
Details A measurement from the bottom to the top of the head,in distinction from depth.
Width Between Flats
0.430 inches minimum and 0.439 inches maximum
Details None.
Grip Diameter
0.2490 inches minimum and 0.2495 inches maximum
Details The length of a straight line which passes through the center of the grip,and terminates at the circumference.
Nominal Thread Diameter
0.250 inches
Details The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
Grip Length
1.490 inches minimum and 1.510 inches maximum
Details A measurement of the longest dimension of the grip,in distinction from width.
Thread Quantity Per Inch
28
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Surface Finish
63.0 microinches bearing surface of head
Details Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
Part Name Assigned By Controlling Agency
navy special project
Details The name assigned to the item by the government agency or commercial organization controlling the design of the item.
Special Features
dry film lubricant
Details Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.
Material
titanium alloy overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Thread Series Designator
unjf
Details A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
Specification/Standard Data
26512-gb511by4-24 manufacturers standard
Details The document designator of the specification or standard which established the item of supply.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
BM15016-4-24A 17446 2 - 3 2 - ZZ
GB511BY4M24 06725 5 - 5 2 - ZZ
GB511BY4M24 27624 5 - 5 2 - ZZ
110185-4-24M 80539 5 - 5 2 - ZZ
VEH160271-4M24 06710 5 - 5 2 - ZZ
GB511BY4M24 92215 5 - 5 2 - ZZ
BM15016-4-24A 97928 5 - 5 9 - ZZ
110185-4-24M 56878 5 - 5 9 - ZZ
GB511BY4M24 56878 5 - 5 2 - ZZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A A -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
48950 - W -
RVC WCC TCC SHC
- 573 Z 9

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Manufacturer
NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MISSION SYSTEMS
CAGE: 26512
BETHPAGE , NY , 11714-1035
UNITED STATES
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FAQs
Frequently asked questions for NSN 5306-00-533-8232
What is the NIIN of the NSN 5306-00-533-8232?
The National Item Identification Number (NIIN) of the NSN 5306-00-533-8232 is 00-533-8232
When the NSN 5306-00-533-8232 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Sat, Sep 14, 1974
Does the NSN 5306-00-533-8232 contain any precious metals?
Does not contain precious metal
Does the NSN 5306-00-533-8232 contain any hazardous material?
No data in HMIRS
What is the ESD classification of NSN 5306-00-533-8232?
No known electrostatic discharge

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