Model: S12-10-3031

Round Plain Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Counterbore Diameter
2.9743 inches nut and 2.9943 inches nut
Drive Point Depth
Between 0.172 inches and 0.203 inches
Nut Style
Round
Nut Diameter
Between 3.984 inches and 4.016 inches
Nut Thickness
Between 0.578 inches and 0.609 inches
Drive Point Width
0.359 mils and 0.391 centimeters
Drive Point Quantity
8
Nut Counterbore Depth
0.062 inches nut and 0.125 inches nut
Thread Series
Uns
Thready Qty Per Inch (tpi)
18
Hardness Rating
Between 26.0 rockwell c and 32.0 rockwell c
Thread Size
2.750 inches
Countersink Angle
89.5 degrees nut and 90.5 degrees nut
Material
Steel comp 4130 or steel comp 4140
Material Specification
Mil-s-5626 military specification 2nd material response
NSN
5310-00-637-1009
Part Number
S12-10-3031
Description
Nut,plain,round
CAGE
78286

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 S12-10-3031 NSN 5310-00-637-1009

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
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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