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Hexagon Plain Nut NSN 5310-00-176-8121

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 5310-00-176-8121 NSN: 5310-00-176-8121

Features and Characteristics

Thread Class
2b
Thread Direction
Right-hand
Nut Style
Hexagon
Nut Height
Between 0.178 inches and 0.193 inches
Width Across Flats
Between 0.423 inches and 0.438 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Countersink Angle
110.0 degrees nut
Bearing Surface Type
Chamfered or washer faced
Material
Stainless steel or steel comp 303s or steel comp 303se
Material Specification
Mil-s-7720 comp fm military specification 2nd material response or mil-s-7720 comp fm military specification 3rd material response
Surface Treatment
Passivate
FSC
5310 Nuts And Washers
NIIN
001768121
NSN
5310001768121

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AN345C416
Cage Code:
88044
Status:
A
MSDS:
Part Number:
368508
Cage Code:
06848
Status:
A
MSDS:
Part Number:
100-16SS
Cage Code:
19315
Status:
A
MSDS:
Part Number:
92211160000
Cage Code:
19315
Status:
A
MSDS:
Part Number:
6L3504-28
Cage Code:
80063
Status:
A
MSDS:
Part Number:
HT426
Cage Code:
80249
Status:
A
MSDS:
Part Number:
945011-214
Cage Code:
06481
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 5310-00-176-8121
What are the manufacturers of nsn 5310001768121?
Does this nsn 5310001768121 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310001768121
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 5310001768121 contain any precious metals?
No precious metal content.
Does nsn 5310001768121 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310001768121?
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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