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Hex Castellated Self-locking Nut NSN 5310-00-973-0650

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 5310-00-973-0650 NSN: 5310-00-973-0650

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Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Nut Style
Castellated, hexagon
Nut Height
Between 0.207 inches and 0.219 inches
Width Across Flats
Between 0.430 inches and 0.439 inches
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Countersink Angle
120.0 degrees nut
Bearing Surface Type
Chamfered
Material
Steel
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, cl 3 federal specification single treatment response
FSC
5310 Nuts And Washers
NIIN
009730650
NSN
5310009730650

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
Z7637-4
Cage Code:
019L2
Status:
A
MSDS:
Part Number:
58703-428-9
Cage Code:
56878
Status:
A
MSDS:
Part Number:
C330-428-9
Cage Code:
81755
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 5310-00-973-0650
What are the manufacturers of nsn 5310009730650?
Does this nsn 5310009730650 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310009730650
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 5310009730650 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310009730650 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310009730650?
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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