Shoulder Screw

PAT4426

PAT4426
(NSN) National Stock Number
5305-01-620-5623
Federal Supply Classification
5305 Screws
Item Name Code
22846
Schedule B Code
7318152000
Summary

2a thread class, right-hand thread direction, 0.250 inches nominal thread length, 0.375 inches nominal fastener length, flat chamfer head style, 0.375 inches nominal head diameter

DAC HCC DMIL RNCC
5 - - 3
RNVC SADC MSDS RNAAC
2 - - ZZ
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
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
0.250 inches nominal
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
0.375 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
flat chamfer
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Diameter
0.375 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
0.1875 inches nominal
Details A measurement from the bottom to the top of the head,in distinction from depth.
Shoulder Diameter
0.249 inches minimum and 0.250 inches maximum all shoulders
Details The length of a straight line which passes through the center of the shoulder and terminates at the circumference.
Shoulder Length
0.125 inches minimum and 0.127 inches maximum all shoulders
Details The length of the enlarged portion of the shank on the item,in distinction from width or diameter.
Locking Feature
patch locking feature
Details An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.
Internal Drive Style
hexagon
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
End Item Identification
5895-01-603-3591
Details The national stock number or the identification information of the end equipment for which the item is a part.
Nominal Thread Diameter
0.1900 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
32
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Minimum Tensile Strength
105000 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
20.0 rockwell c minimum fastener
Details A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
Shoulder Shape
round all shoulders
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
screw may be mildly magnetic;patch to withstand temperatures from -70degrees to +250degrees
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
plastic nylon locking feature
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material
steel property class 18.8 fastener
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
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
93996A831 3A054 1 - 5 2 - ZZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A A -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
50600 - Q -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
RICHARD MANNO & COMPANY INC.
CAGE: 3BFK5
WEST BABYLON , NY , 11704-1302
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-01-620-5623
What is the NIIN of the NSN 5305-01-620-5623?
The National Item Identification Number (NIIN) of the NSN 5305-01-620-5623 is 01-620-5623
When the NSN 5305-01-620-5623 was assigned to the Federal Catalog?
It was assigned 11 years ago, on Tue, Jul 30, 2013
Does the NSN 5305-01-620-5623 contain any precious metals?
Does not contain precious metal
Does the NSN 5305-01-620-5623 contain any hazardous material?
No data in HMIRS
What is the ESD classification of NSN 5305-01-620-5623?
No known electrostatic discharge

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