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Extended Washer Self-locking Nut NSN 5310-01-304-7971

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 5310-01-304-7971 NSN: 5310-01-304-7971

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Major End Items End items to which 5310-01-304-7971 is a component of

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  • FMF B-2 Bomber (atb) Aircraft
  • HZN Forrestal Class Cv
  • JAN Nimitz Class Cvn
  • JCN Kidd Class Ddg
  • JDN Arleigh Burke Class Ddg
  • JFN Oliver Perry Class Ffg
  • N/A Aircraft Component Hoisting Unit
  • N/A Ground Handling Equipment Cradle

Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
0.330 inches
Counterbore Diameter
0.190 inches washer and 0.220 inches washer
Lubrication
Dry film lubricant
Overall Height
Between 0.154 inches and 0.188 inches
Nut Style
Hexagon
Washer Thickness
0.015 inches
Nut Counterbore Depth
0.006 inches washer and 0.031 inches washer
Width Across Flats
Between 0.243 inches and 0.252 inches
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
32
Thread Size
0.190 inches
Material
Iron alloy 660
Material Specification
Ams 5525 assn standard single material response or ams 5732 assn standard single material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, class 2 federal specification single treatment response
FSC
5310 Nuts And Washers
NIIN
013047971
NSN
5310013047971

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
BACN10YR3CD
Cage Code:
81205
Status:
A
MSDS:
Part Number:
MS14222-3
Cage Code:
80205
Status:
A
MSDS:
Part Number:
BH14222-3
Cage Code:
27238
Status:
A
MSDS:
Part Number:
RH30C3D
Cage Code:
52828
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 5310-01-304-7971
What are the manufacturers of nsn 5310013047971?
Does this nsn 5310013047971 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310013047971
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 5310013047971 contain any precious metals?
No precious metal content.
Does nsn 5310013047971 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310013047971?
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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