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Shouldered And Recessed Washer NSN 5310-00-851-6255

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 5310-00-851-6255 NSN: 5310-00-851-6255

Features and Characteristics

Hole Diameter
0.219 inches
Shoulder Diameter
0.500 inches
Outside Diameter
0.750 inches
Shoulder Height
0.047 inches
Material Thickness
0.0229 inches
Recess Angle
67.0 degrees
Material
Steel
Surface Treatment
Zinc and chromate
Style Designator
Shouldered and recessed
FSC
5310 Nuts And Washers
NIIN
008516255
NSN
5310008516255

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
304-0015
Cage Code:
D9182
Status:
A
MSDS:
Part Number:
304A15
Cage Code:
44940
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 5310-00-851-6255
What are the manufacturers of nsn 5310008516255?
Does this nsn 5310008516255 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310008516255
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 5310008516255 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310008516255 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310008516255?
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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