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Shouldered And Recessed Washer NSN 5310-01-124-0526

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 5310-01-124-0526 NSN: 5310-01-124-0526

Features and Characteristics

Hole Diameter
Between 0.115 inches and 0.120 inches
Shoulder Diameter
Between 0.186 inches and 0.190 inches
Outside Diameter
Between 0.310 inches and 0.314 inches
Recess Diameter
Between 0.225 inches and 0.235 inches
Shoulder Height
Between 0.020 inches and 0.028 inches
Material Thickness
Between 0.034 inches and 0.038 inches
Recess Angle
100.0 degrees
Special Features
Chamfer bottom outside edge 0.010 in. By 40 degrees min 50 degrees max
Material
Steel comp 303
Material Specification
Astm a582, cond a assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Shouldered and recessed
FSC
5310 Nuts And Washers
NIIN
011240526
NSN
5310011240526

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3516770-2
Cage Code:
82577
Status:
A
MSDS:
Part Number:
3516770
Cage Code:
82577
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 5310-01-124-0526
What are the manufacturers of nsn 5310011240526?
Does this nsn 5310011240526 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011240526
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 5310011240526 contain any precious metals?
No precious metal content.
Does nsn 5310011240526 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011240526?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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