Model: M63540/3-20-7

Self-locking Stud

Properties:

Thread Class
2a nut thread
Thread Direction
Right-hand nut thread
Thread Length
0.376 inches nut thread and 0.438 inches nut thread
Head Diameter
0.261 inches
Head Length
Between 0.055 inches and 0.061 inches
Locking Feature
Self-clinching head
Overall Length
0.438 inches
Distance Across Flats
Between 0.297 inches and 0.327 inches
Thready Qty Per Inch (tpi)
32 nut thread
Hardness Rating
171.0 brinell standard
Thread Size
0.164 inches nut thread
Material
Steel comp 303 or steel comp 303se
Material Specification
Astm a582 assn standard all material responses
Surface Treatment
Passivate
Surface Treatment Specification
Astm a380 assn standard single treatment response
Style Designator
Self-locking
Thread Series Designator
Unc nut thread
NSN
5307-01-443-3769
Part Number
M63540/3-20-7
Description
Stud,self-locking
CAGE
81349

Part M63540/3-20-7 NSN 5307-01-443-3769

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
27783
FIIG:
A051A0
Concept No.:
App. Key:
D
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:
SX
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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