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Square Plain Nut NSN 5310-01-128-5139

Item Description

A nut, flat on top and bottom, having 4 flat sides. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

NSN 5310-01-128-5139 NSN: 5310-01-128-5139

Features and Characteristics

Thread Class
2b
Thread Direction
Right-hand
Nut Style
Square
Nut Height
Between 0.122 inches and 0.128 inches
Width Across Flats
0.437 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Bearing Surface Type
Chamfered
Material
Copper alloy 360
Material Specification
Qq-b-626 federal specification single material response
FSC
5310 Nuts And Washers
NIIN
011285139
NSN
5310011285139

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
272143-001
Cage Code:
65092
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7415290000
  • NAICS: 332722
  • SITC: 69432
  • Description: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-01-128-5139
What are the manufacturers of nsn 5310011285139?
Does this nsn 5310011285139 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011285139
A nut, flat on top and bottom, having 4 flat sides. for items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
Does nsn 5310011285139 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310011285139 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011285139?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
01858
FIIG:
A021A0
App. Key:
AG
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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