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Hexagon Plain Nut NSN 5310-00-008-1991

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 5310-00-008-1991 NSN: 5310-00-008-1991

  Stock Availability

NSN 5310000081991 availability
(as of 12/14/2021).

  • NS: 48
  • NE: 467

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Nut Style
Hexagon
Nut Height
Between 0.110 inches and 0.130 inches
Drilled Hole Diameter
0.052 inches
Hole Type And Quantity
2 drilled
Width Across Flats
0.500 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
24
Thread Size
0.312 inches
Hole Configuration Style
Configuration b
Bearing Surface Type
Chamfered
Material
Steel comp 303
Material Specification
Astm a582, cond a assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
FSC
5310 Nuts And Washers
NIIN
000081991
NSN
5310000081991

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
A51P0942-25
Cage Code:
61174
Status:
A
MSDS:
Part Number:
A51P9042-25
Cage Code:
26512
Status:
A
MSDS:
Part Number:
06-135930-000
Cage Code:
73168
Status:
A
MSDS:
Part Number:
642AS0963
Cage Code:
30003
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 5310-00-008-1991
What are the manufacturers of nsn 5310000081991?
Does this nsn 5310000081991 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310000081991
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 5310000081991 contain any precious metals?
No precious metal content.
Does nsn 5310000081991 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310000081991?
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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