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Shouldered And Recessed Washer NSN 5310-00-272-6440

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 5310-00-272-6440 NSN: 5310-00-272-6440

Features and Characteristics

Hole Diameter
Between 0.4045 inches and 0.4055 inches
Shoulder Diameter
Between 0.615 inches and 0.635 inches
Outside Diameter
Between 1.052 inches and 1.072 inches
Shoulder Height
Between 0.033 inches and 0.036 inches
Material Thickness
Between 0.082 inches and 0.084 inches
Recess Angle
90.0 degrees
Material
Steel comp 1020
Material Specification
Sae assn standard single material response
Style Designator
Shouldered and recessed
FSC
5310 Nuts And Washers
NIIN
002726440
NSN
5310002726440

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
G22BD5
Cage Code:
0AHP5
Status:
A
MSDS:
Part Number:
3277845
Cage Code:
55380
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 5310-00-272-6440
What are the manufacturers of nsn 5310002726440?
Does this nsn 5310002726440 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310002726440
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 5310002726440 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310002726440 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310002726440?
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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