Model: MIL-S-63540/1

Self-locking Stud

Properties:

Thread Class
2a nut thread
Thread Direction
Right-hand nut thread
Thread Length
0.475 inches nut thread and 0.515 inches nut thread
Head Diameter
Between 0.323 inches and 0.353 inches
Head Length
Between 0.125 inches and 0.135 inches
Locking Feature
Self-clinching head
Overall Length
Between 0.610 inches and 0.640 inches
End Application
Mrap - cougar cat2 a2
Thready Qty Per Inch (tpi)
20 nut thread
Thread Size
0.250 inches nut thread
Material
Steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 309 or steel comp 308 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385
Style Designator
Self-locking
Thread Series Designator
Unc nut thread
NSN
5307-01-185-4990
Part Number
MIL-S-63540/1
Description
Stud,self-locking
CAGE
81349

Part MIL-S-63540/1 NSN 5307-01-185-4990

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:
NO RATING
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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