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Datasheet. 4581 specification
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
0.812in. and 0.817in. ⁓53/64"
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
1.838in. and 1.843in.
0.218in.
A measurement taken at right angles to the length of an external keyway,in distinction from thickness.
0.436in.
1
A measurement of the smallest dimension of the material,in distinction from length or width.
0.0239in.
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.
formed groove and notch 180 degrees opposit keyway
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel
Answers.
Steel
0.0239 inches
1.838 inches minimum and 1.843 inches maximum
0.812 inches minimum and 0.817 inches maximum
Schedule B number: 7318220000
nmfc 194160
Washers other than lock washers, iron or steel
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 5310-00-388-0811 WASHER,KEYWAY
formed groove 0.0239" material thickness 1.838" outside diameter 0.812" hole diameter
- NIIN
- 003880811
- NIIN Date
- 01/01/63
- Schedule B
- 7318220000
- Name Code
- 06158
- FIIG
- A022B0
- QUP
- Historical Price
- $0.43 EA
- 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
- - Department of The Navy
- - Republic of Korea
- - Italy
- - Greece
- - Turkey
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- 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
- Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing
- 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
4581 / 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.
