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Datasheet. 64-4561 specification
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
0.688in. and 0.750in. ⁓3/4"
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
2.938in. and 3.062in. ⁓3-1/16"
An overall measurement taken at right angles to the length of an item,in distinction from thickness.
2.938in. and 3.062in.
0.302in. and 0.375in.
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.
outside diameter at bolt hole 1.375in.
The chemical compound or mechanical mixture properties of which the item is fabricated.
iron
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
QQ-I-666, grade 2g 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.
zinc
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
astm A153, 81346 mfr ref single treatment response
Answers.
Iron
2.938 inches minimum and 3.062 inches maximum
0.688 inches minimum and 0.750 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 5310-00-619-4535 WASHER,SADDLE
zinc surface treated outside diameter at bolt hole 1.375" 2.938" overall width 2.938" overall length 0.688" hole diameter
- NIIN
- 006194535
- NIIN Date
- 01/01/63
- Schedule B
- 7318220000
- Name Code
- 15898
- FIIG
- A022B0
- 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
- - Bonneville Power Administration
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64-4561 / Washer,saddleWhat is the formal definition of this item?
A washer with one surface shaped to fit a similarly curved surface, the other surface of the washer being either parallel with the shaped surface or in the form of raised boss having either a flat bearing surface or a recess designed for holding a nut. excludes washer (1), concave and washer (1), convex.
