Model: MIL-S-63540/4-1

Self-locking Stud

Properties:

Thread Class
2a nut thread
Thread Direction
Right-hand nut thread
Thread Length
0.200 inches nut thread
Head Diameter
Between 0.195 inches and 0.215 inches
Head Length
0.075 inches
Locking Feature
Head serrations
Head Minor Diameter
0.171 inches
Overall Length
Between 0.245 inches and 0.265 inches
Thready Qty Per Inch (tpi)
40 nut thread
Thread Size
0.112 inches nut thread
Material
Steel comp 303 or steel comp 303se
Material Specification
Astm a493 assn standard 1st material response or astm a582 assn standard 2nd material response or astm a582 assn standard 3rd material response
Surface Treatment
Passivate
Surface Treatment Specification
Astm a380 assn standard single treatment response
Style Designator
Self-locking
Thread Series Designator
Unc nut thread
NSN
5307-01-321-3210
Part Number
MIL-S-63540/4-1
Description
Stud,self-locking
CAGE
81349

Part MIL-S-63540/4-1 NSN 5307-01-321-3210

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:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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