Machine Screw

99-9434444

99-9434444
(NSN) National Stock Number
5305-00-452-4890
Federal Supply Classification
5305 Screws
Item Name Code
06657
Schedule B Code
7318152000
Summary

2a thread class, right-hand thread direction, 0.307 inches minimum and 0.440 inches maximum thread length, 1.000 inches minimum and 1.040 inches maximum fastener length, hexagon head style, 0.075 inches minimum and 0.085 inches maximum head height

DAC HCC DMIL RNCC
9 - - 6
RNVC SADC MSDS RNAAC
9 - - KE
Identification

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

INC FIIG Concept Condition
06657 A500D0 - 1
Specifications
Thread Class
2a
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
0.307 inches minimum and 0.440 inches maximum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
1.000 inches minimum and 1.040 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
0.075 inches minimum and 0.085 inches maximum
Details A measurement from the bottom to the top of the head,in distinction from depth.
Width Between Flats
0.245 inches minimum and 0.250 inches maximum
Details None.
Nominal Thread Diameter
0.138 inches
Details The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
Thread Quantity Per Inch
32
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Screw Material
steel
Details The chemical compound or mechanical mixture properties of which the screw is fabricated.
Screw Surface Treatment
cadmium
Details The metallic,nonmetallic,and/or chemical properties with which the screw is plated,dipped and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
Thread Series Designator
unc
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.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
A102-6B K7766 5 - 3 2 - KE
BRITISH STD A102-6B 2S109 E - 5 2 - ZZ
BRITISH STD A102-6B 28548 E - 5 2 - ZZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
63220 - W -
RVC WCC TCC SHC
- 72E Z 9

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Manufacturer
NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION
CAGE: 99995
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FAQs
Frequently asked questions for NSN 5305-00-452-4890
What is the NIIN of the NSN 5305-00-452-4890?
The National Item Identification Number (NIIN) of the NSN 5305-00-452-4890 is 00-452-4890
When the NSN 5305-00-452-4890 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Fri, May 8, 1970
Does the NSN 5305-00-452-4890 contain any precious metals?
Does not contain precious metal
Does the NSN 5305-00-452-4890 contain any hazardous material?
No data in HMIRS

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