Model: MIL-S-63540

Self-locking Stud

Properties:

Thread Class
3a nut thread
Thread Direction
Right-hand nut thread
Thread Length
0.750 inches nut thread
Head Diameter
0.261 inches
Head Length
Between 0.114 inches and 0.120 inches
Locking Feature
Self-clinching head
Overall Length
0.867 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 hultgren
Thread Size
0.190 inches nut thread
Material
Steel comp 303 or steel comp 303se
Material Specification
Astm a582 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Astm a380 assn standard single treatment response
Style Designator
Self-locking
Thread Series Designator
Unf nut thread
NSN
5307-01-320-8686
Part Number
MIL-S-63540
Description
Stud,self-locking
CAGE
81349

Part MIL-S-63540 NSN 5307-01-320-8686

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

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:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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