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Recessed Washer NSN 5310-01-351-3535

Item Description

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

NSN 5310-01-351-3535 NSN: 5310-01-351-3535

Features and Characteristics

Hole Diameter
Between 0.255 inches and 0.275 inches
Outside Diameter
Between 0.802 inches and 0.822 inches
Material Thickness
Between 0.115 inches and 0.135 inches
Hardness Rating
Between 35.0 rockwell c and 39.0 rockwell c
Top Recess Diameter
Between 0.315 inches and 0.335 inches
Bottom Recess Angle
90.0 degrees
Top Recess Angle
90.0 degrees
Bottom Recess Diameter
Between 0.315 inches and 0.335 inches
Material
Steel comp xm-12
Material Specification
Ams 5659 assn standard single material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, ty2, cl2 federal specification single treatment response
Style Designator
Recessed both sides
FSC
5310 Nuts And Washers
NIIN
013513535
NSN
5310013513535

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
750689
Cage Code:
99167
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 5310-01-351-3535
What are the manufacturers of nsn 5310013513535?
Does this nsn 5310013513535 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310013513535
A washer of any peripheral shape having a centrally located hole. both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. the thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. the maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. excludes washer, concave, retainer, packing, and thrust type washers. see also spacer, sleeve; and spacer, stepped.
Does nsn 5310013513535 contain any precious metals?
No precious metal content.
Does nsn 5310013513535 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310013513535?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15933
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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