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Shouldered And Recessed Washer NSN 5310-00-778-0590

Item Description

A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing, sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.

NSN 5310-00-778-0590 NSN: 5310-00-778-0590

Features and Characteristics

Hole Diameter
0.170 inches
Shoulder Diameter
0.395 inches
Outside Diameter
0.635 inches
Material Thickness
0.022 inches
Recess Angle
30.0 degrees
Material
Copper alloy
Style Designator
Shouldered and recessed
FSC
5310 Nuts And Washers
NIIN
007780590
NSN
5310007780590

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
916A
Cage Code:
63743
Status:
A
MSDS:
Part Number:
23480-36
Cage Code:
28569
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7616108000
  • NAICS: 332722
  • SITC: 69440
  • Description: Cotters, cotter-pins, washers and similar articles, of aluminum
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-778-0590
What are the manufacturers of nsn 5310007780590?
Does this nsn 5310007780590 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310007780590
A washer, round in shape, having a centrally located hole. one bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. the thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. for items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing, sleeve; or spacer, sleeve. excludes insulator, washer and thrust type washers.
Does nsn 5310007780590 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310007780590 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310007780590?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15935
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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