21T02-2-08-1AA

21T022081AA Panel Screw Assembly

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Datasheet. 21T02-2-08-1AA specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

3a

Thread Direction
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.

RIGHT-Hand

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

0.295in. and 0.325in. ⁓21/64"

Fastener Length
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.

0.480in. and 0.520in. ⁓17/32"

Head Height
A measurement from the bottom to the top of the head,in distinction from depth.

0.170in. ⁓11/64"

Internal Drive Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.

cross recess type 1

Material Accommodated Thickness
The thickness of the material to be accommodated.

0.480in. and 0.520in.

Nominal Thread Diameter
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.

0.164in. (UTS #8)

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

32

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

aluminum alloy 7075 bearing surface of headsteel comp 302 threads or steel comp 303 threads or steel comp 303se threads or steel comp 304 threads or steel comp 304l threads or steel comp 305 threads or steel comp 309 threads or steel comp 310 threads or steel comp 316 threads or steel comp 316l threads or steel comp 317 threads or steel comp 321 threads or steel comp 321 threads or steel comp 322 threads or steel comp 324 threads or steel comp 347 threads

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

QQ-A-225/9 fed spec single material response bearing surface of head

Surface Treatment
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.

chromate bearing surface of headpassivate threads

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

MIL-C-5541 CL3 mil spec single treatment response bearing surface of HEADQQ-P-35 fed spec single treatment response threads

Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unc

Answers.

What class is the thread series?

Unc

What material is the panel screw assembly made of ?

Aluminum alloy 7075 bearing surface of headsteel comp 302 threads or steel comp 303 threads or steel comp 303se threads or steel comp 304 threads or steel comp 304l threads or steel comp 305 threads or steel comp 309 threads or steel comp 310 threads or steel comp 316 threads or steel comp 316l threads or steel comp 317 threads or steel comp 321 threads or steel comp 321 threads or steel comp 322 threads or steel comp 324 threads or steel comp 347 threads

What is the thread quantity per inch?

32

What is the thread length?

0.295 inches minimum and 0.325 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for 21T02-2-08-1AA?

5305-01-360-6068

What's the federal classification of 21T02-2-08-1AA?

FSC 5305 ⁓ Screws

NSN 5305-01-360-6068 SCREW ASSEMBLY,PANEL

unc thread series chromate bearing surface of headpassivate threads surface treated 32 thread quantity per inch 0.295" thread length right-hand 3a thread class

NIIN
013606068
NIIN Date
06/28/92
Schedule B
 
Name Code
33044
FIIG
A003B0
QUP
 
Historical Price
$95.83 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

Major End Users Countries and entities

  • - Department of The Air Force 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
70.0 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
Commodity (for shipments via water)
Metal hardware 
NMFC (national motor freight code)
096640 SCREWS, IRON OR STEEL 
UFC (universal freight code)
50600 

Similar by Design Other screw assemblys with similar characteristics

Nothing similar to this part number was found in our inventory

21T02-2-08-1AA / Screw assembly,panelWhat is the formal definition of this item?

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.