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Concave Washer NSN 5310-01-338-0956

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 5310-01-338-0956 NSN: 5310-01-338-0956

Features and Characteristics

Hole Diameter
Between 0.595 inches and 0.605 inches
Radius
Between 0.485 inches and 0.515 inches
Outside Diameter
Between 0.870 inches and 0.880 inches
Material Thickness
Between 0.185 inches and 0.205 inches
Hardness Rating
Between 40.0 rockwell c and 43.0 rockwell c
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
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Concave
Specification Data
81205-bacw10ca manufacturers standard
FSC
5310 Nuts And Washers
NIIN
013380956
NSN
5310013380956

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
BACW10CA7CCU
Cage Code:
81205
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 5310-01-338-0956
What are the manufacturers of nsn 5310013380956?
Does this nsn 5310013380956 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310013380956
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 5310013380956 contain any precious metals?
No precious metal content.
Does nsn 5310013380956 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310013380956?
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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