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Concave Washer NSN 5310-01-198-9688

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 5310-01-198-9688 NSN: 5310-01-198-9688

Features and Characteristics

Criticality Code Justification
Zzzy
Special Features
Back-up washer; this item shall conform to the dimensions for a 5/16 inch outside diameter tube in ms 51889 and dished for straight thread tube fittings.
Reference Number Differentiating Characteristics
Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
FSC
5310 Nuts And Washers
NIIN
011989688
NSN
5310011989688

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
501-4458628 PIECE 61
Cage Code:
80064
Status:
A
MSDS:
Part Number:
7255-235 PIECE 61
Cage Code:
43689
Status:
A
MSDS:
Part Number:
501-6722112PC52
Cage Code:
80064
Status:
A
MSDS:
Part Number:
501-6603008PC52
Cage Code:
53711
Status:
A
MSDS:
Part Number:
6603008PC52
Cage Code:
53711
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 5310-01-198-9688
What are the manufacturers of nsn 5310011989688?
Does this nsn 5310011989688 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011989688
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 5310011989688 contain any precious metals?
No precious metal content.
Does nsn 5310011989688 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011989688?
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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