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Hexagon Plain Nut NSN 5310-00-021-8439

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 5310-00-021-8439 NSN: 5310-00-021-8439

Features and Characteristics

Thread Class
2b
Thread Direction
Right-hand
Nut Style
Hexagon
Nut Height
0.234 inches
Width Across Flats
0.750 inches
Thread Series
Unc
Thready Qty Per Inch (tpi)
14
Thread Size
0.438 inches
Bearing Surface Type
Chamfered or washer faced
Material
Steel
Material Specification
Qq-s-633-canc federal specification single material response
Nondefinitive Specification/std Data
A type
FSC
5310 Nuts And Washers
NIIN
000218439
NSN
5310000218439

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MILB857TYPEA
Cage Code:
81349
Status:
A
MSDS:
Part Number:
13X44
Cage Code:
78500
Status:
A
MSDS:
Part Number:
P5076
Cage Code:
8E499
Status:
A
MSDS:
Part Number:
2048B
Cage Code:
28265
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 5310-00-021-8439
What are the manufacturers of nsn 5310000218439?
Does this nsn 5310000218439 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310000218439
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 5310000218439 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310000218439 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310000218439?
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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