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Datasheet. 187303 specification
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
0.646in. and 0.666in. ⁓43/64"
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
1.165in. and 1.175in.
The distance measured in a straight line from the bottom to the top of an item.
0.061in. and 0.064in.
A measurement between specified points on the recess,in distinction from height.
0.011in. and 0.021in.
A measurement of the smallest dimension of the material,in distinction from length or width.
0.046in.
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 410 and steel comp 321 and steel comp 410 and 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.
ams 5504 assn std 1st material response and ams 5510 assn std 2nd material response and ams 5613 assn std 3rd material response and ams 5640 assn std 4th 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.
oxide film
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
recessed
Answers.
Recessed
Steel comp 410 and steel comp 321 and steel comp 410 and steel comp 303
0.046 inches
1.165 inches minimum and 1.175 inches maximum
0.646 inches minimum and 0.666 inches maximum
Schedule B number: 7318220000
nmfc 194160
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 5310-00-098-3595 WASHER,RECESSED
recessed oxide film surface treated 0.046" material thickness 1.165" outside diameter 0.646" hole diameter
- NIIN
- 000983595
- NIIN Date
- 01/01/63
- Schedule B
- 7318220000
- Name Code
- 15933
- 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
Other Part Numbers Parts with same form, fit, and function by other manufacturers
Major End Users Countries and entities
- - Greece
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- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- 50.0
- LCL (less than a car load rating)
- 50.0
- Special Cargo
- No special type of cargo code applicable
- Air Freight (Minimum cargo door size required)
- Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- Customs Requirement Classification
- Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
- Commodity (for shipments via water)
- Metal hardware
- NMFC (national motor freight code)
- 194160 WASHER OR GASKETS, IRON OR STEEL,
- UFC (universal freight code)
- 55210
Similar by Design Other washers with similar characteristics
Nothing similar to this part number was found in our inventory
187303 / Washer,recessedWhat is the formal definition of this item?
A washer of any peripheral shape having a centrally located hole. both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. the thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. the maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. excludes washer, concave, retainer, packing, and thrust type washers. see also spacer, sleeve; and spacer, stepped.
