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Shouldered Washer NSN 5310-00-788-3989

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 5310-00-788-3989 NSN: 5310-00-788-3989

Features and Characteristics

Hole Diameter
0.390 inches
Shoulder Diameter
0.530 inches
Outside Diameter
1.250 inches
Shoulder Height
0.066 inches
Material Thickness
0.064 inches
Heat Treatment
Normalized
Material
Steel comp 4130
Material Specification
Ams 6370 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
-1l-i-3042 military specification single treatment response
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
007883989
NSN
5310007883989

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
32-41072-3
Cage Code:
76301
Status:
A
MSDS:
Part Number:
1669-44
Cage Code:
13002
Status:
A
MSDS:
Part Number:
170731
Cage Code:
13302
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 5310-00-788-3989
What are the manufacturers of nsn 5310007883989?
Does this nsn 5310007883989 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310007883989
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 5310007883989 contain any precious metals?
No precious metal content.
Does nsn 5310007883989 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310007883989?
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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