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Hexagon Plain Nut NSN 5310-00-068-4740

Item Description

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

NSN 5310-00-068-4740 NSN: 5310-00-068-4740

Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Counterbore Diameter
0.490 inches nut and 0.510 inches nut
Nut Style
Hexagon
Nut Height
Between 0.160 inches and 0.200 inches
Drilled Hole Diameter
0.070 inches
Hole Type And Quantity
3 drilled
Width Across Flats
Between 0.741 inches and 0.752 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
20
Thread Size
0.500 inches
Hole Configuration Style
Configuration b
Countersink Angle
89.0 degrees nut and 91.0 degrees nut
Bearing Surface Type
Chamfered
Bearing Surface Finish
125.0 microinches
Material
Steel comp 8740
Material Specification
Ams 6322 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Ams 2400 assn standard single treatment response
FSC
5310 Nuts And Washers
NIIN
000684740
NSN
5310000684740

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
6815294
Cage Code:
63005
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318160000
  • NAICS: 332722
  • SITC: 69421
  • Description: Nuts of iron or steel
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-068-4740
What are the manufacturers of nsn 5310000684740?
Does this nsn 5310000684740 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310000684740
A nut, flat on top and bottom having 6 flat sides. for items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. see also locknut, tube fitting. for items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
Does nsn 5310000684740 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310000684740 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310000684740?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
01857
FIIG:
A021A0
App. Key:
AG
Cond. Code:
1
Status:
A

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