Model: AN157120

Stepped Stud

Properties:

Thread Class
2a stud thread
Thread Class
3a nut thread
Thread Pitch Diameters
+0.2810/+0.2825 inches stud thread
Thread Direction
Right-hand nut thread
Thread Direction
Right-hand stud thread
Thread Length
0.625 inches stud thread and 0.736 inches stud thread
Thread Length
0.438 inches nut thread and 0.509 inches nut thread
Shank Diameter
Between 0.221 inches and 0.231 inches
Overall Length
Between 1.178 inches and 1.198 inches
Distance From Cotter Pin Hole Centerline To Nut End
0.100 inches first hole and 0.120 inches first hole
Cotter Pin Hole Diameter
0.065 inches first hole and 0.072 inches first hole
End Application
Spec item
Thready Qty Per Inch (tpi)
18 stud thread
Thready Qty Per Inch (tpi)
28 nut thread
Hardness Rating
Between 26.0 rockwell c and 32.0 rockwell c
Thread Size
0.250 inches nut thread
Thread Size
0.312 inches stud thread
Surface Finish
32.0 microinches nut thd
Surface Finish
32.0 microinches stud thd
Surface Finish
63.0 microinches shank
Material
Steel comp 8740
Material Specification
Ams6322 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Ams2400 assn standard single treatment response
Style Designator
Stepped
Thread Series Designator
Unf nut thread
Thread Series Designator
Uns stud thread
NSN
5307-01-257-0782
Part Number
AN157120
Description
Stud,stepped
CAGE
88044

Part AN157120 NSN 5307-01-257-0782

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15949
FIIG:
A051A0
Concept No.:
App. Key:
C
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:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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