Shoulder Screw

12705L4C8B

12705L4C8B
(NSN) National Stock Number
5305-00-005-1533
Federal Supply Classification
5305 Screws
Item Name Code
22846
Schedule B Code
7318152000
Summary

3a thread class, right-hand thread direction, 0.293 inches minimum and 0.310 inches maximum thread length, 0.852 inches minimum and 0.878 inches maximum fastener length, flat chamfer head style, 0.357 inches minimum and 0.375 inches maximum head diameter

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

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.

INC FIIG Concept Condition
22846 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
0.293 inches minimum and 0.310 inches maximum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
0.852 inches minimum and 0.878 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
flat chamfer
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Diameter
0.357 inches minimum and 0.375 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
0.182 inches minimum and 0.188 inches maximum
Details A measurement from the bottom to the top of the head,in distinction from depth.
Shoulder Diameter
0.247 inches minimum first shoulder and 0.248 inches maximum first shoulder
Details The length of a straight line which passes through the center of the shoulder and terminates at the circumference.
Shoulder Length
0.497 inches minimum first shoulder and 0.503 inches maximum first shoulder
Details The length of the enlarged portion of the shank on the item,in distinction from width or diameter.
Internal Drive Style
hexagon
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
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.
Width Across Flats
0.125 inches nominal
Details The shortest straight line between flats,perpendicular to the height.
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
160000 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
36.0 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.
Shoulder Shape
round first shoulder
Details The physical configuration of the unthreaded portion of a body adjacent to the head which is larger than the diameter of the shank.
Special Features
patch type element on thread
Details Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.
Material
steel overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
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
12705L4C8B 56878 2 - 5 9 - SB
94705E4C8B 56878 2 - 5 2 - ZZ
94705L4C8B 56878 2 - 5 9 - ZZ
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
SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA
CAGE: 80539
SANTA ANA , CA , 92705-5414
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-005-1533
What is the NIIN of the NSN 5305-00-005-1533?
The National Item Identification Number (NIIN) of the NSN 5305-00-005-1533 is 00-005-1533
When the NSN 5305-00-005-1533 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Mon, Jun 19, 1972
Does the NSN 5305-00-005-1533 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-005-1533 contain any hazardous material?
No data in HMIRS

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