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Hex Castellated Self-locking Nut NSN 5310-01-512-7687

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 5310-01-512-7687 NSN: 5310-01-512-7687

Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Nut Style
Castellated, hexagon
Nut Height
Between 0.235 inches and 0.265 inches
Width Across Flats
Between 0.367 inches and 0.376 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
32
Thread Size
0.190 inches
Bearing Surface Type
Washer faced
Material
Stainless steel
Precious Material
Silver
Surface Treatment
Silver
Surface Treatment Specification
Ams 2411 assn standard single treatment response
FSC
5310 Nuts And Washers
NIIN
015127687
NSN
5310015127687

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS21225-3
Cage Code:
80205
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 5310-01-512-7687
What are the manufacturers of nsn 5310015127687?
Does this nsn 5310015127687 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310015127687
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 5310015127687 contain any precious metals?
Item contains silver.
Does nsn 5310015127687 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310015127687?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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