Part Number 4M248-1

Key Washer

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
4m248-1
Demil:
No
Shelf Life:
UOM:
NIIN:
011843786

Part Information
Distance from wire hole center to end of tapered key 0.060 in.; distance from wire hole center to top of tapered prebent key 0.120 in.; tapered key prebent 30 degrees min, 40 degrees max; hole width across flats 0.655 in. Min, 0.670 in. Max; distance from centerline to flatted bottom of washer 0.485 in. Min, 0.515 in. Max; distance from bottom of washer to inside of prebent key 1.160 in.

NSN
National Stock Number:
5310-01-184-3786 5310011843786
TXT
Description:
Key Washer
INC
INC
Item Name Code:
01869
MRC:
The length of a straight line which passes through the center of a hole,and terminates at the circumference.AAUB
Hole Diameter:
Between 0.785 inches and 0.800 inches
MRC:
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.ABKV
Outside Diameter:
1.200 inches
MRC:
None.ABLG
Tapered Key Minor Width:
0.120 inches
MRC:
None.ABLX
Overall Distance Including Keys:
Between 1.470 inches and 1.570 inches
MRC:
A measurement of the smallest dimension of the material,in distinction from length or width.ABPX
Material Thickness:
0.063 inches
MRC:
None.CRZZ
Wire Hole Diameter:
Between 0.070 inches and 0.075 inches
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Aluminum alloy 2024
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
Qq-a-250/4, t4 federal specification single material response
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:
Chromate
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-c-5541, type 2, cl 1a military specification single treatment response

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