Model: 420342-501

Snap-in Threaded Standoff

Special Features:

Cast with 0.250 inch base with 5 mounting holes 0.188 thru; standoff section has 4 fins; center hole is threaded for helical coil insert 0.250-2b (nasm21209f4-15)

Properties:

Thread Class
3b left internal (includes through thread)
Thread Direction
Right-hand left internal (includes through thread)
Thread Length
4.170 inches left internal (includes through thread)
Length
4.195 inches
End Application
Prowler ea-6b aircraft; band 9/10 tra
Thready Qty Per Inch (tpi)
28 left internal (includes through thread)
Thread Size
0.250 inches left internal (includes through thread)
Material
Aluminum
Surface Treatment Specification
Mil-c-5541, class 1a military specification single treatment response
Style Designator
Internally threaded full length
Supplementary Features
Drawing calls this: standoff, aft gearbox
Thread Series Designator
Unf left internal (includes through thread)
NSN
5340-01-499-8325
Part Number
420342-501
Description
Standoff,threaded,snap-in
CAGE
93346

Part 420342-501 NSN 5340-01-499-8325

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
40279
FIIG:
A08900
Concept No.:
1
App. Key:
C
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:
P
PMIC:
U
ESD:
A
ESD:
A
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:
095190
UFC:
49790
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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