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Datasheet. FDC7900-4A1 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a
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
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.203in. ⁓13/64"
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.
0.285in. ⁓19/64"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
flat chamfer
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.219in.
A measurement from the bottom to the top of the head,in distinction from depth.
0.068in. ⁓5/64"
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
slot
The thickness of the material to be accommodated.
0.031in. and 0.062in.
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)
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
40
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
34.0 rockwell c and 38.0 rockwell c
The chemical compound or mechanical mixture properties of which the item is fabricated.
copper alloy 230 STAND-Off
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 4037 fastener
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
MIL-S-6059 mil spec single material response fastener
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
QQ-B-626 fed spec single material response STAND-Off
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.
cadmium
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-P-416 fed spec single treatment response
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
The controlling activity and identification of a document used in lieu of a specification in the procurement of an item of supply.
08524-FDC7900-4A1
Answers.
Unc
Steel comp 4037 fastener
Copper alloy 230 stand-off
40
Flat chamfer
0.203 inches
Right-hand
2a
Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
NSN 5305-01-207-2269 SCREW ASSEMBLY,PANEL
unc thread series cadmium surface treated 40 thread quantity per inch flat chamfer head style 0.203" thread length right-hand 2a thread class
- NIIN
- 012072269
- NIIN Date
- 04/30/85
- Schedule B
- 7318152000
- Name Code
- 33044
- FIIG
- A003B0
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- Metal content unknown
- 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
- - Germany
- - Italy
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FDC7900-4A1 / 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.
