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Extended Washer Self-locking Nut NSN 5310-01-619-3657

Item Description

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

NSN 5310-01-619-3657 NSN: 5310-01-619-3657

Features and Characteristics

Thread Class
2b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
Between 0.494 inches and 0.506 inches
Overall Height
Between 0.178 inches and 0.193 inches
Nut Style
Hexagon
End Application
4120-01-585-1564
Width Across Flats
Between 0.423 inches and 0.438 inches
Thread Series
Unc
Thready Qty Per Inch (tpi)
20
Thread Size
0.250 inches
Part Name Assigned By Controlling Agency
1/4"-20 zinc finish grade keps lock nut with external tooth lockwasher
Material
Steel nut
Material Specification
Low carbon steel mfr ref single material response nut
Surface Treatment
Zinc
Surface Treatment Specification
Fe/zn 3at per astm f1941 assn standard single treatment response
FSC
5310 Nuts And Washers
NIIN
016193657
NSN
5310016193657

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
37410
Cage Code:
43UT5
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 5310-01-619-3657
What are the manufacturers of nsn 5310016193657?
Does this nsn 5310016193657 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310016193657
A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. an integral feature is incorporated for locking on the threads of a mating member.
Does nsn 5310016193657 contain any precious metals?
No precious metal content.
Does nsn 5310016193657 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310016193657?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
29730
FIIG:
A021A0
App. Key:
BT
Cond. Code:
1
Status:
A

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