Model: SK144249

Round Plain Nut

Special Features:

Surface flat holes drilled on 2.500 in diameter bolt circle; surface flat holes, two 0.281 in. Diameter 180 degrees apart, one 0.250-20 nc tapped and evenly spaced between 0.281 in. Holes; drill and tap on the periphery surface 180 degrees from 0.250 in hole, one 0.312-18 nc hole flat bottom 0.469 in. To point

Properties:

Thread Class
3b
Thread Direction
Right-hand
Nut Style
Round
Nut Diameter
3.000 inches
Nut Thickness
0.500 inches
Drive Point Quantity
2
Drive Point Diameter
0.281 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
12
Thread Size
1.250 inches
Material
Steel
Material Specification
Mil-s-890 military specification single material response
NSN
5310-00-685-3290
Part Number
SK144249
Description
Nut,plain,round
CAGE
93232

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Part SK144249 NSN 5310-00-685-3290

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15887
FIIG:
A021A0
Concept No.:
1
App. Key:
AY
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:
U
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:
B

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Nuts of iron or steel

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