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Shouldered And Recessed Washer NSN 5310-01-155-5253

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 5310-01-155-5253 NSN: 5310-01-155-5253

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Features and Characteristics

Hole Diameter
Between 1.502 inches and 1.507 inches
Shoulder Diameter
0.218 inches
Outside Diameter
1.800 inches
Shoulder Height
Between 0.081 inches and 0.083 inches
Material Thickness
0.313 inches
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel
Material Specification
Mil-s-890 cl an military specification single material response
Style Designator
Shouldered and recessed
FSC
5310 Nuts And Washers
NIIN
011555253
NSN
5310011555253

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
703-2298072 PIECE 5
Cage Code:
80064
Status:
A
MSDS:
Part Number:
703-2298071 PIECE 15
Cage Code:
80064
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 5310-01-155-5253
What are the manufacturers of nsn 5310011555253?
Does this nsn 5310011555253 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011555253
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 5310011555253 contain any precious metals?
No precious metal content.
Does nsn 5310011555253 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011555253?
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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