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Hexagon Plain Nut NSN 5310-00-550-3355

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 5310-00-550-3355 NSN: 5310-00-550-3355

Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Counterbore Diameter
0.500 inches nut and 0.530 inches nut
Nut Style
Hexagon
Nut Height
Between 0.365 inches and 0.385 inches
Width Across Flats
Between 0.741 inches and 0.752 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
20
Thread Size
0.500 inches
Countersink Angle
85.0 degrees nut and 90.0 degrees nut
Bearing Surface Type
Chamfered
Material
Iron alloy 660
Material Specification
Ams 5735 assn standard single material response
FSC
5310 Nuts And Washers
NIIN
005503355
NSN
5310005503355

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
308802
Cage Code:
77445
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 5310-00-550-3355
What are the manufacturers of nsn 5310005503355?
Does this nsn 5310005503355 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310005503355
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 5310005503355 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310005503355 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310005503355?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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