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Datasheet. 642AS2620 specification
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
0.122in. ⁓1/8"
The length of a straight line which passes through the center of a shoulder,and terminates at the circumference.
0.187in.
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
0.281in.
0.040in.
A measurement of the smallest dimension of the material,in distinction from length or width.
0.040in.
The chemical compound or mechanical mixture properties of which the item is fabricated.
plastic
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
MIL-M-20693, comp a, type 3, grade e mil spec single material response
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
shouldered
Answers.
Shouldered
Plastic
0.040 inches
0.281 inches
0.122 inches
Schedule B number: 3926904500
Gaskets,washers & other seals
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 5310-01-074-0872 WASHER,SHOULDERED
shouldered 0.040" material thickness 0.281" outside diameter 0.122" hole diameter
- NIIN
- 010740872
- NIIN Date
- 03/25/79
- Schedule B
- 3926904500
- Name Code
- 15934
- 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
- - Spain
- - Turkey
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642AS2620 / Washer,shoulderedWhat is the formal definition of this item?
A washer, round in shape, and having a centrally located hole. one bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. the thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. for items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. excludes insulator, washer and thrust type washers.
