MS9581-18

MS958118 Key Washer

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Datasheet. MS9581-18 specification

Hole Diameter
The length of a straight line which passes through the center of a hole,and terminates at the circumference.

0.890in. ⁓57/64"

Outside Diameter
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.

1.245in.

External Prebent Key Length

0.150in.

External Tapered Key Width

0.600in.

External Prebent Key Width

0.260in.

Distance From Centerline To Inside Of Prebent Key

0.795in.

Material Thickness
A measurement of the smallest dimension of the material,in distinction from length or width.

0.032in.

Angle Between External Keys

90.0 degrees

External Prebent Key Angle

15.0 degrees

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel corrosion resisting

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

90 degree locking key

Answers.

What is the style?

90 degree locking key

What material is the key washer made of ?

Steel corrosion resisting

What is the thickness?

0.032 inches minimum

What is the outside diameter?

1.245 inches

What is the inside hole diameter?

0.890 inches

What is the NSN for MS9581-18?

5310-01-331-4714

How is this classified for shipping?

Schedule B number: 7318220000
Washers other than lock washers, iron or steel

What's the federal classification of MS9581-18?

FSC 5310 ⁓ Nuts and washers

Note-nuts and washers, including specially designed, are to be classified in this fsc. a. nuts are a small metal block made in a variety of shapes such as square and hexagonal which is drilled and internally threaded. b. washers are a perforated piece of metal, leather, or other materials of various shapes or forms. they are used primarily as a seat for a bolt, nut, screw, rivet or nail to distribute pressure and prevent endwise motion over an area and/or to prevent movement between two parts by means of restraining features created by the shape of its edges.

Excluding bearing thrust washers (fsc 3120); shims (fsc 5365); ring spacers (fsc 5365); plate spacers (fsc 5365); lock rings (fsc 5365).

NSN 5310-01-331-4714 WASHER,KEY

90 degree locking key 0.032" material thickness 1.245" outside diameter 0.890" hole diameter

NIIN
013314714
NIIN Date
12/20/90
Schedule B
7318220000 
Name Code
01869
FIIG
A022B0
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Spain 
  • - Canada 

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Similar by Design Other washers with similar characteristics

Nothing similar to this part number was found in our inventory

MS9581-18 / Washer,keyWhat is the formal definition of this item?

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.