Model: 47-641-078-1

Round Plain Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Counterbore Diameter
1.4950 inches nut and 1.4955 inches nut
Small End Diameter
1.530 inches
Drive Point Depth
0.087 inches
Nut Style
Round
Nut Diameter
2.050 inches
Nut Thickness
1.320 inches
Drive Point Width
0.250 inches
Undercut Thickness
1.220 inches
Drive Point Quantity
8
Nut Counterbore Depth
0.670 inches nut
Drilled Hole Diameter
0.063 inches
Hole Type And Quantity
8 drilled
Thread Series
Un
Thready Qty Per Inch (tpi)
16
Thread Size
1.750 inches
Hole Configuration Style
Configuration j
Countersink Angle
60.0 degrees nut
Material
Steel comp 4130
Material Specification
Mil-s-6758, cond d4 military specification single material response
Surface Treatment
Cadmium except threads
Surface Treatment Specification
Qq-p-416, type 1, class 2 federal specification single treatment response except threads
Test Data Document
81349-mil-i-6868 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
NSN
5310-00-506-9349
Part Number
47-641-078-1
Description
Nut,plain,round
CAGE
97499

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 47-641-078-1 NSN 5310-00-506-9349

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

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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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