Model: MIL-S-63540/3

Self-locking Stud

Properties:

Thread Class
2a nut thread
Thread Direction
Right-hand nut thread
Thread Length
0.262 inches nut thread and 0.312 inches nut thread
Head Diameter
0.199 inches
Head Length
Between 0.055 inches and 0.061 inches
Locking Feature
Self-clinching head
Overall Length
0.312 inches
Distance Across Flats
Between 0.235 inches and 0.265 inches
Thready Qty Per Inch (tpi)
40 nut thread
Hardness Rating
171.0 brinell standard
Thread Size
0.112 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
5307-01-307-3607
Part Number
MIL-S-63540/3
Description
Stud,self-locking
CAGE
81349

Part MIL-S-63540/3 NSN 5307-01-307-3607

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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
575
TCC:
Z
SHC:
9
ACC:
Construction Materials

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