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Concave Washer NSN 5310-01-328-2049

Item Description

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also washer (1), convex. Excludes washer (1), recessed and bearing, washer, thrust.

NSN 5310-01-328-2049 NSN: 5310-01-328-2049

Features and Characteristics

Hole Diameter
0.490 inches
Radius
0.380 inches
Outside Diameter
Between 0.780 inches and 0.790 inches
Material Thickness
Between 0.135 inches and 0.145 inches
Material
Steel comp 630 or steel comp 631
Material Specification
Ams 5643 assn standard 1st material response or ams 5528 assn standard 2nd material response
Surface Treatment
Lubricant
Style Designator
Concave
FSC
5310 Nuts And Washers
NIIN
013282049
NSN
5310013282049

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
HL75-12DW
Cage Code:
73197
Status:
A
MSDS:
Part Number:
03A084-12L
Cage Code:
1W025
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318220000
  • NAICS: 332722
  • SITC: 69422
  • Description: Washers other than lock washers, iron or steel
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-01-328-2049
What are the manufacturers of nsn 5310013282049?
Does this nsn 5310013282049 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310013282049
A washer which is round with a centrally located hole. one bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. see also washer (1), convex. excludes washer (1), recessed and bearing, washer, thrust.
Does nsn 5310013282049 contain any precious metals?
No precious metal content.
Does nsn 5310013282049 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310013282049?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15930
FIIG:
A022B0
App. Key:
A
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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