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Hex Castellated Self-locking Nut NSN 5310-01-431-9990

Item Description

A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. An integral feature is incorporated for locking on the threads of a mating member. The slots when used in conjunction with a solid or split (cotter) pin, act as an extra "fail safe" feature in critical applications. Excludes nut (1), self-locking, slotted, hexagon.

NSN 5310-01-431-9990 NSN: 5310-01-431-9990

Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Nut Style
Castellated, hexagon
Nut Height
Between 0.133 inches and 0.153 inches
Width Across Flats
Between 0.243 inches and 0.251 inches
Thread Series
Unjc
Thready Qty Per Inch (tpi)
32
Thread Size
0.138 inches
Bearing Surface Type
Chamfered or washer faced
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 303 nut
Surface Treatment
Passivate nut
Surface Treatment Specification
Qq-p-35 federal specification single treatment response nut
FSC
5310 Nuts And Washers
NIIN
014319990
NSN
5310014319990

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
79NM107-62
Cage Code:
019L2
Status:
A
MSDS:
Part Number:
82982-01
Cage Code:
93322
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 5310-01-431-9990
What are the manufacturers of nsn 5310014319990?
Does this nsn 5310014319990 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310014319990
A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. an integral feature is incorporated for locking on the threads of a mating member. the slots when used in conjunction with a solid or split (cotter) pin, act as an extra "fail safe" feature in critical applications. excludes nut (1), self-locking, slotted, hexagon.
Does nsn 5310014319990 contain any precious metals?
No precious metal content.
Does nsn 5310014319990 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310014319990?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
29725
FIIG:
A021A0
App. Key:
BK
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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