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Datasheet. 313298 specification
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
0.256in. and 0.258in. ⁓17/64"
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
0.445in. and 0.455in.
A measurement of the smallest dimension of the material,in distinction from length or width.
0.157in. and 0.159in.
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 303
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
QQ-S-764 fed spec single material response
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.
passivate
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-S-5002 mil spec single treatment response
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
convex
Answers.
Convex
Steel comp 303
0.157 inches minimum and 0.159 inches maximum
0.445 inches minimum and 0.455 inches maximum
0.256 inches minimum and 0.258 inches maximum
Schedule B number: 7318220000
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 5310-01-171-9892 WASHER,CONVEX
convex passivate surface treated 0.157" material thickness 0.445" outside diameter 0.256" hole diameter
- NIIN
- 011719892
- NIIN Date
- 02/15/84
- Schedule B
- 7318220000
- Name Code
- 15931
- 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
- - Saudi Arabia
- - Malaysia
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313298 / Washer,convexWhat is the formal definition of this item?
A washer which is round with a centrally located hole. one bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is raised to form a curved or spherical contour. see also washer (1), concave. excludes bearing, washer thrust.
