MS21126-4

MS211264 Keyway Washer

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Quality Commitment

Serving our customers with quality and safety first.

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AS9120 Certified by SAI Global

Datasheet. MS21126-4 specification

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

0.255in. and 0.265in. ⁓17/64"

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.

0.490in. and 0.510in.

Internal Keyway Width
A measurement taken at right angles to the length of an internal keyway,in distinction from thickness.

0.100in. and 0.120in.

Distance From Centerline To Bottom Of Internal Keyway

0.152in. and 0.162in.

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

0.181in. and 0.191in.

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

4 keyways provided

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

aluminum alloy 2014 or aluminum alloy 2017

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

ams 4028-T4 fed spec 1st material response or ams 4121-T4 fed spec 1st material response or ams 4118-T4 fed spec 2nd material response

Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

anodize

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

MIL-A-8625 fed spec single treatment response

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

keyway

Answers.

What is the style?

Keyway

What material is the keyway washer made of ?

Aluminum alloy 2014 or aluminum alloy 2017

What is the thickness?

0.181 inches minimum and 0.191 inches maximum

What is the outside diameter?

0.490 inches minimum and 0.510 inches maximum

What is the inside hole diameter?

0.255 inches minimum and 0.265 inches maximum

What is the NSN for MS21126-4?

5310-00-792-4992

How is this classified for shipping?

Schedule B number: 7616108000
nmfc 194160
Cotters, cotter-pins, washers and similar articles, of aluminum

What's the federal classification of MS21126-4?

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 5310-00-792-4992 WASHER,KEYWAY

keyway anodize surface treated 4 keyways provided 0.181" material thickness 0.490" outside diameter 0.255" hole diameter

NIIN
007924992
NIIN Date
08/02/68
Schedule B
7616108000 
Name Code
06158
FIIG
A022B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
 
Historical Price
$67.08 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. VP1104A-4-W2 Cage 92215
2. HE153-0003-0004 Cage 89372

Major End Users Countries and entities

  • - Department of The Navy 
  • - Department of The Air Force 
  • - Brazil 
  • - Spain 
  • - Philippines 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
50.0 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
Commodity (for shipments via water)
Metal hardware 
NMFC (national motor freight code)
194160 WASHER OR GASKETS, IRON OR STEEL, 
UFC (universal freight code)
55210 

Similar by Design Other washers with similar characteristics

Nothing similar to this part number was found in our inventory

MS21126-4 / Washer,keywayWhat 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 notches. excludes thrust type washers.