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Extended Washer Self-locking Nut NSN 5310-00-181-6556

Item Description

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

NSN 5310-00-181-6556 NSN: 5310-00-181-6556

Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
0.725 inches
Lubrication
Soluble lubricant
Overall Height
0.505 inches
Nut Style
Double hexagon
Washer Thickness
0.031 inches
Width Across Flats
Between 0.492 inches and 0.502 inches
Tempurature Rating
Between -65.0 degrees fahrenheit and 450.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
24
Hardness Rating
45.0 rockwell c
Thread Size
0.375 inches
Material
Steel comp 8740 or steel comp h11
Material Specification
Ams 6323 assn standard 1st material response or ams 6485 assn standard 2nd material response or ams 6487 assn standard 2nd material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response
FSC
5310 Nuts And Washers
NIIN
001816556
NSN
5310001816556

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
55LH7896-6
Cage Code:
72962
Status:
A
MSDS:
Part Number:
STSCD005-06
Cage Code:
98897
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 5310-00-181-6556
What are the manufacturers of nsn 5310001816556?
Does this nsn 5310001816556 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310001816556
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. an integral feature is incorporated for locking on the threads of a mating member.
Does nsn 5310001816556 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310001816556 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310001816556?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
29729
FIIG:
A021A0
App. Key:
BS
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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