Panel Screw Assembly

CA21070-4-2HS

(NSN) National Stock Number

5305-01-084-4706

Federal Supply Classification

5305 Screws

Item Name Code

33044

Schedule B Code

7318152000

Summary

3a thread class, right-hand thread direction, 0.477 inches minimum and 0.637 inches maximum thread length, 0.767 inches minimum and 0.787 inches maximum fastener length, flat countersunk head style, 0.360 inches minimum and 0.404 inches maximum head diameter

DAC	HCC	DMIL	RNCC
2	-	-	3

RNVC	SADC	MSDS	RNAAC
2	-	-	KZ

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

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

0.477 inches minimum and 0.637 inches maximum

Details

A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

Fastener Length

0.767 inches minimum and 0.787 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

0.360 inches minimum and 0.404 inches maximum

Details

The length of a straight line which passes through the center of a circular head,and terminates at the circumference.

Nominal Thread Diameter

0.250 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

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.

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Details

The included angle of the countersink.

Special Features

three 0.035 in. to 0.045 in. wide splines in shank and 120 degrees apart,thread to be double lead

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 comp 8740 overall or steel comp 4140 overall

Details

The chemical compound or mechanical mixture properties of which the item is fabricated.

Material Document And Classification

mil-s-6049 mil spec 1st material response overall or mil-s-5626 mil spec 2nd material response overall

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 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

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
FIT7289-4-2	58998	5	-	5	2	-	ZZ
CA21070-4-2HS	5R793	5	-	5	2	-	ZZ
GS520CK4-02	26512	A	-	7	2	-	KZ

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

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

Genuine Manufacturers Parts
100% Product Inspection
7 Year Sales Record Retention
Fast On-Time Delivery
HAZMAT Certified
Global Shipping

Manufacturer

HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS

CAGE: 29372

TORRANCE , CA , 90505-5103

UNITED STATES

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FAQs

Frequently asked questions for NSN 5305-01-084-4706

What is the NIIN of the NSN 5305-01-084-4706?

The National Item Identification Number (NIIN) of the NSN 5305-01-084-4706 is 01-084-4706

When the NSN 5305-01-084-4706 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Fri, Oct 19, 1979

Does the NSN 5305-01-084-4706 contain any precious metals?

Type/content is unknown

Does the NSN 5305-01-084-4706 contain any hazardous material?

No data in HMIRS

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