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NSN: 5306-00-001-9756
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Cross Reference

These part numbers have the same form, fit, and function of ms9149-20
Item Number Cage
MS9149-20 96906

Characteristic Codes

MS9149-20 spec. code meanings
Code Translation
AAJD A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
AAJF 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.
AASA A measurement of the extent of threads, including incomplete threads, along a line parallel to the longitudinal axis.
AASB 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.
AASK The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
AASU A measurement from the bottom to the top of the head, in distinction from depth.
AHYM The nominal length of a straight line which passes through the center of the threaded portion, and terminates at the circumference.
ANEE A measurement of the longest dimension of the grip, in distinction from width.
CBBL Those features, not otherwise specified, which may be required for proper functioning of the item.
CMLP The number of threads on the item per linear inch measured on a line parallel to the thread axis.
CQBC The maximum rated load in tension applied in a longitudinal direction, per unit of cross-sectional area, that the material can withstand without rupture.
CQFM A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
CSYM Designates the specific surface roughness rating, representing the arithmetic average deviation of the surface from the meanline in profile.
CSYM Designates the specific surface roughness rating, representing the arithmetic average deviation of the surface from the meanline in profile.
MATT The chemical compound or mechanical mixture properties of which the item is fabricated.
MDCL The specification, standard, or manufacturers reference, and the classification designation, such as class, condition, temper, and the like, that identifies the material.
SFTT The metallic, nonmetallic, and/or chemical properties with which the item is plated, dipped, and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
STDC The specification, standard, or manufacturers reference, and the classification designation, such as type, class, grade, and the like, that identifies the surface treatment material.
THSD A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

MS9149-20

Description: Machine Bolt
Mfr. Cage 96906

Specification

Thread Length: 1-1/64", Fastener Length: 1-5/8", Thread: 3/8-24, Grip Length: 37/64", steel comp 8740 overall

AAJD Thread Class
3a
AAJF Thread Direction
Right-hand
AASA Thread Length
From 1.000" and 1.060"
AASB Fastener Length
1.625 inches
AASK Head Style
Double hexagon w/hole
AASU Head Height
0.422 inches
AATB Width Between Flats
From 0.430" and 0.439"
AATC Extended Washer Diameter
0.562 inches
AATD Extended Washer Thickness
From 0.090" and 0.100"
AHYM Nominal Thread Diameter
0.375 inches
ANEE Grip Length
From 0.565" and 0.625"
CBBL Features Provided
Finished head
CMLP Thready Qty Per Inch (tpi)
24
CQBC Minimum Tensile Strength
125000 pounds per square inch
CQFM Hardness Rating
26.0 rockwell c minimum and 32.0 rockwell c maximum
CSYM Surface Finish
32.0 microinches threads
CSYM Surface Finish
63.0 microinches grip
MATT Material
Steel comp 8740
MDCL Material Spec
Ams 6322 assn std single material response
SFTT Surface Treatment
Cadmium
STDC Surface Treatment Spec
Ams 2400 assn std single treatment response
THSD Thread Series Designator
Unf

Technical Definition

Bolt, Machine, also referenced with federal logistics item name code 01847 - An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. see also screw, cap, hexagon head and screw, machine.
National Stock Number (NSN) 5306-00-001-9756

Last Modified: 02/14/2017