Model: 42278-1

Externally Threaded Ring

Special Features:

Color black

Properties:

Thread Class
2a
Thread Direction
Right-hand
Casehardening Indicator
Not casehardened
Width
0.081 inches
Overall Length
0.215 inches
End Radius
Between 0.010 inches and 0.030 inches
Taper Minor Diameter
Between 2.972 inches and 2.982 inches
Taper Major Diameter
3.054 inches
Thread Size
3.750-32
Depth
0.060 inches
Bore Shape
Tapered
Screw Thread Series Designator
Uns
Drive Type
Slotted face
Accommodation Type And Quantity
12 slots
Angle Between Accommodations In Deg
30.0
Beveled Thread
Not included
Taper Major Diameter Location
Drive end
Bore Annular Internal Serration
Not included
Setscrew Locking Notch
Not included
Bore Edge Process
Rounded
Process End Location
End opposite drive end
Material
Aluminum alloy, qq-a-250/12, t651 or qq-a-250/13, t651 or qq-a-250/18, t651 or qq-a-250/26, t651
Material
Aluminum alloy, qq-a-250/12, t651 or qq-a-250/13, t651 or qq-a-250/18, t651 or qq-a-250/26, t651
Surface Treatment
Anodize
Surface Treatment
Anodized, mil-a-8625
NSN
5365-01-246-4093
Part Number
42278-1
Description
Ring,externally Threaded
CAGE
09344

Part 42278-1 NSN 5365-01-246-4093

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
08417
FIIG:
T252-D
Concept No.:
App. Key:
DA
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
136500
UFC:
68455
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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