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Hex Castellated Self-locking Nut NSN 5310-00-557-9397

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 5310-00-557-9397 NSN: 5310-00-557-9397

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 0.493 inches and 0.502 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
24
Thread Size
0.3125 inches
Bearing Surface Type
Chamfered
Material
Steel comp 1117
Surface Treatment
Cadmium
Surface Treatment Specification
Ams2400-4 assn standard single treatment response
FSC
5310 Nuts And Washers
NIIN
005579397
NSN
5310005579397

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
937A139P1
Cage Code:
07482
Status:
A
MSDS:
Part Number:
22FT-524
Cage Code:
56878
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 5310-00-557-9397
What are the manufacturers of nsn 5310005579397?
Does this nsn 5310005579397 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310005579397
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 5310005579397 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310005579397 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310005579397?
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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