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Shouldered Washer NSN 5310-00-899-3931

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 5310-00-899-3931 NSN: 5310-00-899-3931

Features and Characteristics

Hole Diameter
Between 0.193 inches and 0.198 inches
Shoulder Diameter
Between 0.252 inches and 0.255 inches
Outside Diameter
0.380 inches
Shoulder Height
0.055 inches
Material Thickness
0.065 inches
Material
Plastic polyamide
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
008993931
NSN
5310008993931

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
PR393-1
Cage Code:
62372
Status:
A
MSDS:
Part Number:
723258-53
Cage Code:
05869
Status:
A
MSDS:
Part Number:
723258-053
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: 3926904500
  • NAICS: 339991
  • SITC: 89399
  • Description: Gaskets,washers & other seals
  • End Use (Code 12770):
    Other industrial supplies

Q & A

Frequently asked questions for NSN 5310-00-899-3931
What are the manufacturers of nsn 5310008993931?
Does this nsn 5310008993931 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310008993931
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 5310008993931 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310008993931 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310008993931?
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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