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Hex Castellated Self-locking Nut NSN 5310-01-380-2961

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 5310-01-380-2961 NSN: 5310-01-380-2961

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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 0.300 inches and 0.320 inches
Width Across Flats
Between 0.430 inches and 0.439 inches
Tempurature Rating
Not rated
Thread Series
Unf
Thready Qty Per Inch (tpi)
28
Hardness Rating
Not rated
Thread Size
0.250 inches
Bearing Surface Type
Any acceptable
Material
Stainless steel
Material Specification
Qq-s-763 cmpsn 302/304, no. 1 finish federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-f-14072 military specification single treatment response
FSC
5310 Nuts And Washers
NIIN
013802961
NSN
5310013802961

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SMB586385
Cage Code:
80063
Status:
A
MSDS:
Part Number:
50FC-428
Cage Code:
70318
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 5310-01-380-2961
What are the manufacturers of nsn 5310013802961?
Does this nsn 5310013802961 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310013802961
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 5310013802961 contain any precious metals?
No precious metal content.
Does nsn 5310013802961 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310013802961?
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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