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Hexagon Plain Nut NSN 5310-00-431-1943

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 5310-00-431-1943 NSN: 5310-00-431-1943

Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Nut Style
Hexagon
Nut Height
0.547 inches
Width Across Flats
Between 0.928 inches and 0.940 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
18
Thread Size
0.625 inches
Countersink Angle
90.0 degrees nut
Bearing Surface Type
Chamfered or washer faced
Bearing Surface Finish
63.0 microinches
Material
Iron alloy 660
Material Specification
Ams 5732 assn standard 1st material response or ams 5737 assn standard 1st material response
FSC
5310 Nuts And Washers
NIIN
004311943
NSN
5310004311943

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
418913
Cage Code:
77445
Status:
A
MSDS:
Part Number:
MS9356-16
Cage Code:
80205
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 5310-00-431-1943
What are the manufacturers of nsn 5310004311943?
Does this nsn 5310004311943 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310004311943
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 5310004311943 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310004311943 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310004311943?
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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