Assembled Washer Screw

8F538

8F538
(NSN) National Stock Number
5305-00-353-6950
Federal Supply Classification
5305 Screws
Item Name Code
06660
Schedule B Code
7318152000
Summary

2a thread class, right-hand thread direction, 0.375 inches minimum thread length, 0.437 inches nominal fastener length, fillister head style, 0.250 inches nominal head diameter

DAC HCC DMIL RNCC
3 - - 5
RNVC SADC MSDS RNAAC
2 - - AX
Identification

A screw, (as modified) to which has been assembled one or more nonremovable washer(s).

INC FIIG Concept Condition
06660 A003B0 - 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
0.375 inches minimum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
0.437 inches nominal
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
fillister
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Diameter
0.250 inches nominal
Details The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
Head Height
0.125 inches nominal
Details A measurement from the bottom to the top of the head,in distinction from depth.
Washer Quantity
1
Details The number of washers included on the item.
Internal Drive Style
slot
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
Nominal Thread Diameter
0.164 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.
Primary Washer Style
split helical ring
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the primary washer.
Primary Washer Material Thickness
0.031 inches nominal
Details None.
Material
steel overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Surface Treatment
cadmium overall
Details 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.
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
10-35936-7 59501 4 - 5 9 - 9Z
SC1563 24956 5 - 3 2 - KZ
10-35936-7 77820 4 - 5 9 - 9Z
SC1563 01843 5 - 5 9 - KZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
48950 - W U
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
CATERPILLAR INC DIV CATERPILLAR DEFENSE
CAGE: 11083
IRVING , TX , 75039-3712
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-353-6950
What is the NIIN of the NSN 5305-00-353-6950?
The National Item Identification Number (NIIN) of the NSN 5305-00-353-6950 is 00-353-6950
When the NSN 5305-00-353-6950 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5305-00-353-6950 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-353-6950 contain any hazardous material?
No data in HMIRS

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