Model: 857-15-17

Spacing Threaded Standoff

Properties:

Thread Class
2a right external
Thread Class
2b left internal (includes through thread)
Thread Direction
Right-hand left internal (includes through thread)
Thread Direction
Right-hand right external
Thread Length
0.250 inches left internal (includes through thread)
Thread Length
0.138 inches right external
Length
0.406 inches
Cross-sectional Shape
Hexagon
Width Across Flats
0.188 inches
Thready Qty Per Inch (tpi)
40 left internal (includes through thread)
Thready Qty Per Inch (tpi)
40 right external
Thread Size
0.112 inches right external
Thread Size
0.112 inches left internal (includes through thread)
Right Projection Diameter
0.112 inches
Right Projection Length
0.188 inches
Material
Steel comp 303 or steel comp 303se
Material Specification
Astm a581 assn standard 1st material response or astm a582 assn standard 2nd material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 type 4 federal specification single treatment response
Style Designator
Left internal and right external thread
Thread Series Designator
Unc left internal (includes through thread)
Thread Series Designator
Unc right external
NSN
5340-01-432-5623
Part Number
857-15-17
Description
Standoff,threaded,spacing
CAGE
21355

Part 857-15-17 NSN 5340-01-432-5623

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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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