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Hexagon Plain Nut NSN 5310-01-568-1521

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 5310-01-568-1521 NSN: 5310-01-568-1521

Features and Characteristics

Thread Class
2b
Thread Direction
Right-hand
Nut Style
Hexagon
Nut Height
Between 0.212 inches and 0.226 inches
End Application
Truck, cargo 5ton model m1083a1e1
Width Across Flats
Between 0.428 inches and 0.438 inches
Thread Series
Unf
Thread Size
0.250 inches
Part Name Assigned By Controlling Agency
Hex nut
Material
Steel
FSC
5310 Nuts And Washers
NIIN
015681521
NSN
5310015681521

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B18.24-2004
Cage Code:
05047
Status:
A
MSDS:
Part Number:
B18.2.2
Cage Code:
80204
Status:
A
MSDS:
Part Number:
AEN04F250NNNAZ6A91
Cage Code:
05047
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 5310-01-568-1521
What are the manufacturers of nsn 5310015681521?
Does this nsn 5310015681521 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310015681521
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 5310015681521 contain any precious metals?
No precious metal content.
Does nsn 5310015681521 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310015681521?
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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