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Datasheet. A-A-55610-39 specification
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
0.088in. and 0.094in. ⁓3/32"
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
0.172in.
A measurement of the smallest dimension of the material,in distinction from length or width.
0.020in.
The national stock number or the identification information of the end equipment for which the item is a part.
control, altitude, automatic pilot
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.
phosphate coating; mechanically deposited zinc finish
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel
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.
zinc
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
split HELICAL-Right hand
Answers.
Split helical-right hand
Steel
0.020 inches minimum
0.172 inches maximum
0.088 inches minimum and 0.094 inches maximum
Schedule B number: 7318210000
Spring washers and other 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 5310-01-485-4204 WASHER,LOCK
Used on control, altitude, automatic pilot. split helical-right hand zinc surface treated phosphate coating; mechanically deposited zinc finish 0.020" material thickness 0.172" outside diameter 0.088" hole diameter
- NIIN
- 014854204
- NIIN Date
- 05/24/01
- Schedule B
- 7318210000
- Name Code
- 14218
- FIIG
- A022B0
- 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
Major End Users Countries and entities
- - Germany
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A-A-55610-39 / Washer,lockWhat is the formal definition of this item?
A washer which is usually round with a centrally located hole. its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. it may be made of one or two pieces
