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Datasheet. 4398B90-1 specification
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
1.500in. ⁓1-1/2"
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
2.025in.
0.040in.
0.040in.
0.900in.
2
A measurement of the smallest dimension of the material,in distinction from length or width.
0.040in.
The national stock number or the identification information of the end equipment for which the item is a part.
pacer dawn
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.
consists of one external PRE-Bentkey and one internal PRE-Bent key
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 630
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
AMS5528 assn std single material response
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
key
Answers.
Key
Steel comp 630
0.040 inches
2.025 inches
1.500 inches
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 5310-01-385-2227 WASHER,KEY
Used on pacer dawn. key consists of one external pre-bentkey 0.040" material thickness 2.025" outside diameter 1.500" hole diameter
- NIIN
- 013852227
- NIIN Date
- 01/06/94
- Schedule B
- 7318220000
- Name Code
- 01869
- 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
Other Part Numbers Parts with same form, fit, and function by other manufacturers
Major End Users Countries and entities
- - Taiwan, Province of China
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4398B90-1 / Washer,keyWhat 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 protuberances. the ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. the keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. excludes thrust type washer.
