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Hexagon Plain Nut NSN 5310-01-388-2318

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 5310-01-388-2318 NSN: 5310-01-388-2318

Features and Characteristics

Thread Class
3b
Thread Direction
Left-hand
Nut Style
Hexagon
Nut Height
Between 0.115 inches and 0.135 inches
Width Across Flats
Between 0.430 inches and 0.439 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Bearing Surface Type
Chamfered
Material
Iron alloy 660
Material Specification
Ams 5735 assn standard single material response
Precious Material And Location
silver
Precious Material
Silver
Surface Treatment
Silver
FSC
5310 Nuts And Washers
NIIN
013882318
NSN
5310013882318

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
696357
Cage Code:
77445
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 5310-01-388-2318
What are the manufacturers of nsn 5310013882318?
Does this nsn 5310013882318 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310013882318
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 5310013882318 contain any precious metals?
Item contains silver.
Does nsn 5310013882318 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310013882318?
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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