Model: NAS1831C5D21

Spacing Threaded Standoff

Properties:

Thread Class
28 left internal (includes through thread)
Thread Direction
Right-hand left internal (includes through thread)
Thread Length
0.438 inches and 0.440 inches left internal (includes through thread)
Length
1.313 inches
Cross-sectional Length
Between 1.3125 inches and 1.3130 inches
Cross-sectional Width
0.313 inches
Cross-sectional Shape
Rectangular
Thready Qty Per Inch (tpi)
32 left internal (includes through thread)
Material
Steel comp 303
Material Specification
Ast-303, conditiona assn standard 1st material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification 1st treatment response
Style Designator
Left internal and right internal threads
Thread Series Designator
Unf left internal (includes through thread)
Thread Series Designator
Unf right external
NSN
5340-01-478-8839
Part Number
NAS1831C5D21
Description
Standoff,threaded,spacing
CAGE

Part NAS1831C5D21 NSN 5340-01-478-8839

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
40280
FIIG:
A08900
Concept No.:
1
App. Key:
B
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:
A
ESD:
ESD:
MMAC:
CRITL:
X

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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