Model: MIL-S-63540/3-4-7

Self-locking Stud

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.3925 inches and 0.4375 inches
Head Diameter
0.157 inches
Head Length
Between 0.114 inches and 0.120 inches
Locking Feature
Self-clinching head
Overall Length
0.4375 inches
Distance Across Flats
Between 0.172 inches and 0.202 inches
Thready Qty Per Inch (tpi)
56
Thread Size
0.086 inches
Material
Steel comp 303 or steel comp 303se
Surface Treatment
Passivate
Surface Treatment Specification
Astm a380 military specification single treatment response
Style Designator
Self-locking
Thread Series Designator
Unc
NSN
5307-01-377-1038
Part Number
MIL-S-63540/3-4-7
Description
Stud,self-locking
CAGE
81349

Part MIL-S-63540/3-4-7 NSN 5307-01-377-1038

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:
A
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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