Panel Screw Assembly

DPY7900P-4-C-2

DPY7900P-4-C-2
(NSN) National Stock Number
5305-01-133-8618
Federal Supply Classification
5305 Screws
Item Name Code
33044
Schedule B Code
7318152000
Summary

2a thread class, right-hand thread direction, 0.175 inches nominal thread length, 0.400 inches minimum and 0.420 inches maximum fastener length, flat countersunk head style, 0.317 inches nominal head diameter

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

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

INC FIIG Concept Condition
33044 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
0.175 inches nominal
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
0.400 inches minimum and 0.420 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 countersunk
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Diameter
0.317 inches nominal
Details The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
Material Accommodated Thickness
0.126 inches minimum and 0.187 inches maximum
Details The thickness of the material to be accommodated.
Nominal Thread Diameter
0.112 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
40
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Hardness Rating
34.0 rockwell c minimum fastener and 38.0 rockwell c maximum fastener
Details A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Details The included angle of the countersink.
Material
copper alloy stand-off
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material
steel comp 4037 fastener
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
ams 6300 assn std single material response fastener
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Material Document And Classification
qq-b-626,comp 22 fed spec single material response stand-off
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
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.
Surface Treatment Document And Classification
qq-p-416,type 1,class 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
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
DPY7900P-4-C-2 97928 4 - 5 9 - 9Z
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N 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
HUCK INTERNATIONAL, INC. DIV HUCK PRODUCTS DIVISION
CAGE: 0HDW7
TUCSON , AZ , 85714-3410
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-01-133-8618
What is the NIIN of the NSN 5305-01-133-8618?
The National Item Identification Number (NIIN) of the NSN 5305-01-133-8618 is 01-133-8618
When the NSN 5305-01-133-8618 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Tue, Jun 22, 1982
Does the NSN 5305-01-133-8618 contain any precious metals?
Does not contain precious metal
Does the NSN 5305-01-133-8618 contain any hazardous material?
No data in HMIRS

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