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Key Washer NSN 5310-00-638-1740

Item Description

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.

NSN 5310-00-638-1740 NSN: 5310-00-638-1740

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Features and Characteristics

Hole Diameter
0.885 inches
Outside Diameter
1.200 inches
External Straight Key Width
0.200 inches
Internal Straight Key Width
0.160 inches
Distance From Centerline To Top Of Internal Key
0.320 inches
Overall Distance Including Keys
1.650 inches
External Key Quantity
4
Internal Key Quantity
2
Material Thickness
0.040 inches
External Prebent Key Angle
30.0 degrees
Special Features
Two sets of extneral keys unequally spaced, first externa key 30 degrees from internal key and second external key 60 degrees from internal key with opposite set of external kay 180 degrees apart
Material
Steel
Material Specification
Qq-s-698 federal specification single material response
Surface Treatment
Cadmium
Style Designator
Key
FSC
5310 Nuts And Washers
NIIN
006381740
NSN
5310006381740

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
47-661-040-1
Cage Code:
97499
Status:
A
MSDS:
Part Number:
T638-1740
Cage Code:
12842
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 5310-00-638-1740
What are the manufacturers of nsn 5310006381740?
Does this nsn 5310006381740 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310006381740
A washer of nonresilient material usually having two parallel bearing surfaces. the outside and/or inside edges have one or more protuberances. the ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. the keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. excludes thrust type washer.
Does nsn 5310006381740 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310006381740 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310006381740?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
01869
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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