Model: 520549H

Plain Stud

Properties:

Thread Class
3a nut thread
Thread Pitch Diameters
+0.3408/+0.3428 inches stud thread
Thread Direction
Right-hand nut thread
Thread Direction
Right-hand stud thread
Thread Length
0.780 inches stud thread and 0.880 inches stud thread
Thread Length
0.810 inches nut thread and 0.940 inches nut thread
Overall Length
1.750 inches
Distance From Cotter Pin Hole Centerline To Nut End
0.110 inches first hole
Cotter Pin Hole Diameter
0.065 inches first hole and 0.072 inches first hole
Thready Qty Per Inch (tpi)
16 stud thread
Thready Qty Per Inch (tpi)
24 nut thread
Hardness Rating
Between 28.0 rockwell c and 34.0 rockwell c
Thread Size
0.375 inches nut thread
Thread Size
0.375 inches stud thread
Material
Steel comp 4140 or steel comp 8640 or steel comp 8740
Material Specification
Astm a322 assn standard all material responses or astm a331 assn standard all material responses
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, cl c federal specification all treatment responses
Thread Series Designator
Unf nut thread
Thread Series Designator
Uns stud thread
NSN
5307-00-206-8492
Part Number
520549H
Description
Stud,plain
CAGE
02978

Part 520549H NSN 5307-00-206-8492

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15948
FIIG:
A051A0
Concept No.:
App. Key:
E
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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