D7900-4-B-2

D79004B2 Panel Screw Assembly

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Datasheet. D7900-4-B-2 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.

0.203in. ⁓13/64"

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.

0.390in. ⁓25/64"

Head Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.

pan no. 2

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

0.219in.

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

0.068in. ⁓5/64"

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

0.063in. and 0.125in.

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

0.112in. (UTS #4)

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

40

Hardness Rating
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

34.0 rockwell c fastener and 38.0 rockwell c fastener

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

copper alloy 360 STAND-Off

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

steel comp 4037 fastener

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.

nickel fastener

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.

nickel STAND-Off

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.

QQ-N-290 cl 1 fed spec single treatment response fastener

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.

QQ-N-290 cl 1 fed spec single treatment response STAND-Off

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 quantity is this sold in?

1EA

What class is the thread series?

Unc

What material is the panel screw assembly made of ?

Steel comp 4037 fastener

What material is the panel screw assembly made of ?

Copper alloy 360 stand-off

What is the thread quantity per inch?

40

What is the head style?

Pan no. 2

What is the thread length?

0.203 inches

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for D7900-4-B-2?

5305-01-016-4554

How is this classified for shipping?

Schedule B number: 7318152000
nmfc 066440
Bolts and bolts and their nuts or washers exported in the same shipment

What's the federal classification of D7900-4-B-2?

FSC 5305 ⁓ Screws

NSN 5305-01-016-4554 SCREW ASSEMBLY,PANEL

unc thread series nickel stand-off surface treated 40 thread quantity per inch pan no. 2 head style 0.203" thread length right-hand 3a thread class

NIIN
010164554
NIIN Date
02/12/76
Schedule B
7318152000 
Name Code
33044
FIIG
A003B0
Item Weight
0.000lbs
Item Dimensions
--
QUP
Historical Price
$2.88 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

1. D7900-4B2 Cage 0HDW7
2. D7900-4B2 Cage 17446
3. 2448522-1 Cage 55972
4. D7900-4B2 Cage 97928

Major End Users Countries and entities

  • - Department of The Navy 
  • - Canada 
  • - Denmark 

Availability for D7900-4-B-2 A member of our team will provide you with a price and availability quote

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
Rating variable 
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)
066440 FASTENERS CURTAIN/SNAP METAL 
UFC (universal freight code)
36960 

Similar by Design Other screw assemblys with similar characteristics

Nothing similar to this part number was found in our inventory

D7900-4-B-2 / 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.