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Recessed Washer NSN 5310-00-037-7052

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 5310-00-037-7052 NSN: 5310-00-037-7052

Features and Characteristics

Hole Diameter
Between 0.698 inches and 0.708 inches
Outside Diameter
Between 1.084 inches and 1.104 inches
Material Thickness
Between 0.097 inches and 0.100 inches
Hardness Rating
Between 26.0 rockwell c and 32.0 rockwell c
Top Recess Diameter
Between 0.710 inches and 0.760 inches
Bottom Recess Angle
Between 43.0 degrees and 47.0 degrees
Top Recess Angle
Between 43.0 degrees and 47.0 degrees
Bottom Recess Diameter
Between 0.710 inches and 0.760 inches
Material
Steel comp 8740
Material Specification
Ams 6322 assn standard single material response
Surface Treatment
Silver
Surface Treatment Specification
Ams 2410 assn standard single treatment response or ams 2412 assn standard single treatment response
Style Designator
Recessed both sides
FSC
5310 Nuts And Washers
NIIN
000377052
NSN
5310000377052

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
83484P15W
Cage Code:
77445
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 5310-00-037-7052
What are the manufacturers of nsn 5310000377052?
Does this nsn 5310000377052 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310000377052
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 5310000377052 contain any precious metals?
Item contains silver.
Does nsn 5310000377052 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310000377052?
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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