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Shouldered Washer NSN 5310-01-310-4888

Item Description

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. 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 5310-01-310-4888 NSN: 5310-01-310-4888

Features and Characteristics

Hole Diameter
0.031 inches
Shoulder Diameter
Between 0.254 inches and 0.260 inches
Outside Diameter
0.375 inches
Shoulder Height
0.051 inches
Material Thickness
0.044 inches
Special Features
Used on secondary power sys
Material
Steel uns k44220
Material Specification
Qq-s-763 federal specification all material responses
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
013104888
NSN
5310013104888

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3886155-1
Cage Code:
99193
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318220000
  • NAICS: 332722
  • SITC: 69422
  • Description: Washers other than lock washers, iron or steel
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-01-310-4888
What are the manufacturers of nsn 5310013104888?
Does this nsn 5310013104888 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310013104888
A washer, round in shape, and having a centrally located hole. one bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. 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 5310013104888 contain any precious metals?
No precious metal content.
Does nsn 5310013104888 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310013104888?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15934
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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