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Recessed Washer NSN 5310-01-583-4951

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 5310-01-583-4951 NSN: 5310-01-583-4951

Features and Characteristics

Hole Diameter
Between 0.375 inches and 0.385 inches
Outside Diameter
Between 0.646 inches and 0.666 inches
Material Thickness
Between 0.120 inches and 0.130 inches
End Application
Horn instl
Top Recess Diameter
Between 0.020 inches and 0.030 inches
Bottom Recess Angle
45.0 degrees
Top Recess Angle
45.0 degrees
Bottom Recess Diameter
Between 0.020 inches and 0.030 inches
Material
Stainless steel
Material Specification
Ams5525 assn standard single material response or ams5731 assn standard single material response or ams5732 assn standard single material response or ams5737 assn standard single material response or ams5853 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Ams-qq-p-416, type ii, class 2 assn standard single treatment response
Style Designator
Recessed both sides
FSC
5310 Nuts And Washers
NIIN
015834951
NSN
5310015834951

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
140-007-24R21B4
Cage Code:
97499
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 5310-01-583-4951
What are the manufacturers of nsn 5310015834951?
Does this nsn 5310015834951 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310015834951
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 5310015834951 contain any precious metals?
No precious metal content.
Does nsn 5310015834951 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310015834951?
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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