Model: 66-8448

Round Plain Nut

Properties:

Thread Pitch Diameters
+2.8789/+2.8843 inches
Thread Direction
Right-hand
Drive Point Depth
0.125 inches
Nut Style
Round
Nut Diameter
Between 3.860 inches and 3.880 inches
Nut Thickness
0.400 inches
Drive Point Width
0.360 mils and 0.380 centimeters
Drive Point Quantity
8
Drilled Hole Diameter
0.093 inches
Hole Type And Quantity
4 drilled
Thread Series
Uns
Thready Qty Per Inch (tpi)
12
Thread Size
2.933 inches
Hole Configuration Style
Configuration j
Countersink Angle
90.0 degrees nut
Material
Steel comp 4130 or steel comp 4135
Material Specification
Mil-s-6758, cond d military specification 1st material response or mil-s-6736, cond n military specification 1st material response or mil-s-6735 military specification 2nd material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, cl 3 federal specification single treatment response
NSN
5310-00-652-4938
Part Number
66-8448
Description
Nut,plain,round
CAGE
81205

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 66-8448 NSN 5310-00-652-4938

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.6000lbs
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:
194160
UFC:
55210
LTL:
50.0
LCL:
--
WCC:
713
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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