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Recessed Washer NSN 5310-01-519-5800

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 5310-01-519-5800 NSN: 5310-01-519-5800

Features and Characteristics

Hole Diameter
Between 0.344 inches and 0.355 inches
Outside Diameter
0.595 inches
Recess Diameter
0.435 inches
Material Thickness
Between 0.057 inches and 0.069 inches
Hardness Rating
36.0 rockwell c or 40.0 rockwell c
Recess Angle
Between 45.0 degrees and 50.0 degrees
Special Features
Service temperature alloy steel-680 f (900 f for intermittent operation)
Material
Steel comp 4130 or steel comp 8630 or steel comp 8735
Material Specification
Mil-s-18729 military specification 1st material response or mil-s-18728 military specification 1st material response or ams 6357 assn standard 2nd material response
Surface Treatment
Cadmium
Surface Treatment Specification
Ams 2416 assn standard single treatment response
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
015195800
NSN
5310015195800

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
BACW10BN52C
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 5310-01-519-5800
What are the manufacturers of nsn 5310015195800?
Does this nsn 5310015195800 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310015195800
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 5310015195800 contain any precious metals?
No precious metal content.
Does nsn 5310015195800 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310015195800?
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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