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Shouldered Washer NSN 5310-00-978-7770

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 5310-00-978-7770 NSN: 5310-00-978-7770

Features and Characteristics

Hole Diameter
Between 0.142 inches and 0.148 inches
Shoulder Diameter
Between 0.245 inches and 0.255 inches
Outside Diameter
Between 0.370 inches and 0.380 inches
Shoulder Height
Between 0.021 inches and 0.041 inches
Material Thickness
Between 0.053 inches and 0.073 inches
Material
Plastic phenolic
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
009787770
NSN
5310009787770

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
21B1021-2
Cage Code:
81073
Status:
A
MSDS:
Part Number:
302-0595-000
Cage Code:
13499
Status:
A
MSDS:
Part Number:
8437118-7
Cage Code:
19204
Status:
A
MSDS:
Part Number:
GW502B06B
Cage Code:
26512
Status:
A
MSDS:
Part Number:
5310009787770
Cage Code:
SCY13
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 5310-00-978-7770
What are the manufacturers of nsn 5310009787770?
Does this nsn 5310009787770 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310009787770
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 5310009787770 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310009787770 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310009787770?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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