Thumbscrew

227B621H01

227B621H01
(NSN) National Stock Number
5305-00-849-5641
Federal Supply Classification
5305 Screws
Item Name Code
06673
Schedule B Code
7318152000
Summary

2a thread class, right-hand thread direction, 0.400 inches minimum thread length, 0.968 inches nominal fastener length, knurled no. 4 head style, 0.500 inches nominal head diameter

DAC HCC DMIL RNCC
X - - 5
RNVC SADC MSDS RNAAC
2 - - XX
Identification

An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, splined or smoothed, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).

INC FIIG Concept Condition
06673 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
0.400 inches minimum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
0.968 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
knurled no. 4
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Diameter
0.500 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
0.500 inches nominal
Details A measurement from the bottom to the top of the head,in distinction from depth.
Point Style
cone
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the point.
Nominal Thread Diameter
0.190 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.
Material
steel corrosion resisting overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Surface Treatment
passivate 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
unf
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
227B621H01 97942 X - 3 2 - XX
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 -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
WESTINGHOUSE ELECTRIC CORP
CAGE: 79500
PITTSBURGH , PA , 15222-1353
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-849-5641
What is the NIIN of the NSN 5305-00-849-5641?
The National Item Identification Number (NIIN) of the NSN 5305-00-849-5641 is 00-849-5641
When the NSN 5305-00-849-5641 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Mon, Jan 1, 1962
Does the NSN 5305-00-849-5641 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-849-5641 contain any hazardous material?
No data in HMIRS

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