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Hexagon Plain Nut NSN 5310-00-264-1321

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 5310-00-264-1321 NSN: 5310-00-264-1321

Features and Characteristics

Thread Class
2b
Thread Direction
Right-hand
Nut Style
Hexagon
Nut Height
Between 0.516 inches and 0.547 inches
Width Across Flats
Between 0.552 inches and 0.562 inches
Thread Series
Unc
Thready Qty Per Inch (tpi)
16
Thread Size
0.375 inches
Bearing Surface Type
Washer faced
Material
Steel comp 1212 or steel comp 1213
Material Specification
Qq-s-637 federal specification all material responses
Surface Treatment
Zinc
FSC
5310 Nuts And Washers
NIIN
002641321
NSN
5310002641321

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
400-6405184FN10 0
Cage Code:
D9182
Status:
A
MSDS:
Part Number:
AB3925-1
Cage Code:
54370
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 5310-00-264-1321
What are the manufacturers of nsn 5310002641321?
Does this nsn 5310002641321 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310002641321
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 5310002641321 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310002641321 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310002641321?
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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