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Round Plain Nut NSN 5310-01-178-3321

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 5310-01-178-3321 NSN: 5310-01-178-3321

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Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Small End Diameter
3.620 inches
Drive Point Depth
0.312 inches
Nut Style
Round
Nut Diameter
4.380 inches
Nut Thickness
0.960 inches
Drive Point Width
0.440 inches
Undercut Thickness
0.648 inches
Drive Point Quantity
6
Thread Series
Unf
Thready Qty Per Inch (tpi)
12
Thread Size
3.125 inches
Material
Steel
Material Specification
Mil-s-8844 cl3, 300m military specification single material response
Surface Treatment
Enamel except threads and primer except threads
Surface Treatment Specification
Mil-c-83286 color 17875 military specification 1st treatment response except threads and mil-p-23377 military specification 2nd treatment response except threads
FSC
5310 Nuts And Washers
NIIN
011783321
NSN
5310011783321

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1881-129
Cage Code:
13002
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 5310-01-178-3321
What are the manufacturers of nsn 5310011783321?
Does this nsn 5310011783321 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011783321
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 5310011783321 contain any precious metals?
No precious metal content.
Does nsn 5310011783321 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011783321?
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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