Model: 1251-7788

Spacing Threaded Standoff

Special Features:

Color yellow

Properties:

Thread Class
3a right external
Thread Class
3a left internal (includes through thread)
Thread Direction
Right-hand left internal (includes through thread)
Thread Direction
Right-hand right external
Thread Length
0.120 inches left internal (includes through thread)0.312 inches right external
Flange Thickness
0.188 inches
Length
0.500 inches
Flange Width Across Flats
0.187 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)
Material
Steel comp 1117 standoff or steel comp 1118 standoff or steel comp 1137 standoff or steel comp 1141 standoff or steel comp 1144 standoff or steel comp 1151 standoff or steel comp 1211 standoff or steel comp 1212 standoff or steel comp 1213 standoff or steel comp 1215 standoff
Material Specification
Astm a108 assn standard all material responses standoff
Surface Treatment
Zinc standoff and chromate standoff
Surface Treatment Specification
Qq-z-325 federal specification single treatment response standoff
Style Designator
Flanged with left internal thread
Thread Series Designator
Unc left internal (includes through thread)
Thread Series Designator
Unc right external
NSN
5340-01-145-8450
Part Number
1251-7788
Description
Standoff,threaded,spacing
CAGE
28480

Part 1251-7788 NSN 5340-01-145-8450

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:
--
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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