Close Tolerance Screw

112-1050-001

112-1050-001
(NSN) National Stock Number
5305-00-338-1794
Federal Supply Classification
5305 Screws
Item Name Code
29294
Schedule B Code
7318152000
Summary

3a thread class, right-hand thread direction, 0.445 inches minimum and 0.495 inches maximum thread length, 0.705 inches minimum and 0.735 inches maximum fastener length, pan head style, 0.597 inches minimum and 0.612 inches maximum head diameter

DAC HCC DMIL RNCC
1 - - 5
RNVC SADC MSDS RNAAC
9 - - SB
Identification

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (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 designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

INC FIIG Concept Condition
29294 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
0.445 inches minimum and 0.495 inches maximum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
0.705 inches minimum and 0.735 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
pan
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Diameter
0.597 inches minimum and 0.612 inches maximum
Details The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
Head Height
0.203 inches minimum and 0.218 inches maximum
Details A measurement from the bottom to the top of the head,in distinction from depth.
Grip Diameter
0.3110 inches minimum and 0.3120 inches maximum
Details The length of a straight line which passes through the center of the grip,and terminates at the circumference.
Internal Drive Style
high-torque
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
Nominal Thread Diameter
0.312 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
0.240 inches minimum and 0.260 inches maximum
Details A measurement of the longest dimension of the grip,in distinction from width.
Thread Quantity Per Inch
24
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Minimum Tensile Strength
180000 pounds per square inch
Details The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.
Hardness Rating
40.0 rockwell c minimum overall and 43.0 rockwell c maximum overall
Details A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
Surface Finish
32.0 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.
Surface Finish
32.0 microinches grip
Details Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
Surface Finish
32.0 microinches threads
Details Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
Material
steel comp e4340 overall or steel comp 8740 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Surface Treatment
cadmium overall and chromate 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.
Surface Treatment Document And Classification
qq-p-416 ty 2 cl 2 fed spec single treatment response overall
Details The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
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.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
HT8180-5-41 06950 5 - 5 2 - ZZ
HT8180-5-4L 06950 5 - 3 2 - ZZ
HT8180-5-4L 92215 5 - 5 9 - SB
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
ARMCO INC AMBRIDGE WORKS
CAGE: 94758
AMBRIDGE , PA , 15003
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-338-1794
What is the NIIN of the NSN 5305-00-338-1794?
The National Item Identification Number (NIIN) of the NSN 5305-00-338-1794 is 00-338-1794
When the NSN 5305-00-338-1794 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Fri, Jan 4, 1974
Does the NSN 5305-00-338-1794 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-338-1794 contain any hazardous material?
No data in HMIRS

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