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Round Plain Nut NSN 5310-01-257-5144

Item Description

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

NSN 5310-01-257-5144 NSN: 5310-01-257-5144

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Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Nut Style
Round
Nut Diameter
4.890 inches
Nut Thickness
1.015 inches
Drive Point Quantity
4
Drive Point Diameter
Between 0.208 inches and 0.214 inches
Thread Series
Unj
Thready Qty Per Inch (tpi)
12
Thread Size
3.875 inches
Criticality Code Justification
Feat
Special Features
Eight holes w/.2500-28 unjf-2b thd, two ea.Located between ea.Csk hole; 4.125-12unj-3a thd.Located on outer edge of flange; used on f16c/d blk 30g
Material
Steel comp 4130 or steel comp 4140
Material Specification
Mil-s-6758 military specification 1st material response or mil-s-5626 military specification 2nd material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416 type ii cl 2 federal specification single treatment response
FSC
5310 Nuts And Washers
NIIN
012575144
NSN
5310012575144

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2007647-1
Cage Code:
17576
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 5310-01-257-5144
What are the manufacturers of nsn 5310012575144?
Does this nsn 5310012575144 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310012575144
A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. for items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. see also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
Does nsn 5310012575144 contain any precious metals?
No precious metal content.
Does nsn 5310012575144 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310012575144?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15887
FIIG:
A021A0
App. Key:
AY
Cond. Code:
1
Status:
A

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