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Hexagon Plain Nut NSN 5310-00-637-8757

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 5310-00-637-8757 NSN: 5310-00-637-8757

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Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Nut Style
Hexagon
Nut Height
0.125 inches
Width Across Flats
Between 0.684 inches and 0.691 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
20
Thread Size
0.438 inches
Countersink Angle
90.0 degrees nut
Bearing Surface Type
Chamfered
Bearing Surface Finish
125.0 microinches
Material
Aluminum alloy 2014 or aluminum alloy 2024
Material Specification
Qq-a-225/4 federal specification 1st material response or qq-a-225/6 federal specification 2nd material response
Surface Treatment
Anodize
Surface Treatment Specification
Qq-a-696 federal specification single treatment response
FSC
5310 Nuts And Washers
NIIN
006378757
NSN
5310006378757

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MILF5509
Cage Code:
81349
Status:
A
MSDS:
Part Number:
CVC1150-4D
Cage Code:
80378
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7616995095
  • NAICS: 332999
  • SITC: 69979
  • Description: Articles of aluminum nesoi
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-637-8757
What are the manufacturers of nsn 5310006378757?
Does this nsn 5310006378757 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310006378757
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 5310006378757 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310006378757 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310006378757?
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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