Part Number 12257531

Access Hole Frame

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
12257531
Demil:
No
Shelf Life:
UOM:
NIIN:
010610797

Part Information
1 external flat 1.970 from aperture center; 1 external flat 81 degrees fromfirst; 1 internal flat 1.640 from aperture center parallel to 1st ext flat

NSN
National Stock Number:
5340-01-061-0797 5340010610797
TXT
Description:
Access Hole Frame
INC
INC
Item Name Code:
22291
MRC:
The length of a straight line which passes through the center of an aperture,and terminates at the circumference.ABVL
Aperture Diameter:
3.700 inches
MRC:
A measurement of the longest straight line across a circular cross-sectional plane.ADAV
Overall Diameter:
4.180 inches
MRC:
An overall measurement of the smallest dimension of an item,in distinction from length or width.ADUM
Overall Thickness:
0.036 inches
MRC:
The means of attaching the item.AXGY
Mounting Method:
Threaded hole
MRC:
The length of a straight line which passes through the center of the mounting facility,and terminates at the circumference.CLMQ
Mounting Facility Diameter:
0.281 inches
MRC:
The number of threads on the item per linear inch measured on a line parallel to the thread axis.CMLP
Thready Qty Per Inch (tpi):
20
MRC:
A designation that is used for the purpose of general identification of the thread.CQJX
Thread Size:
0.250 inches
MRC:
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.SFTT
Surface Treatment:
Passivate
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.STDC
Surface Treatment Specification:
Mil-std-171, finish 5.4.1 military specification single treatment response

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