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Datasheet. 123990-21 specification
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
0.140in. and 0.150in. ⁓5/32"
The length of a straight line which passes through the center of a shoulder,and terminates at the circumference.
0.245in. and 0.250in.
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
0.438in.
0.018in.
A measurement of the smallest dimension of the material,in distinction from length or width.
0.062in.
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.
zzzy
The chemical compound or mechanical mixture properties of which the item is fabricated.
plastic polyamide and glass
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
shouldered
A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.
material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
Answers.
1EA
Shouldered
Plastic polyamide and glass
0.062 inches
0.438 inches
0.140 inches minimum and 0.150 inches maximum
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 5310-01-250-3304 WASHER,SHOULDERED
shouldered 0.062" material thickness 0.438" outside diameter 0.140" hole diameter
- NIIN
- 012503304
- NIIN Date
- 02/27/87
- Schedule B
- Name Code
- 15934
- FIIG
- A022B0
- Item Weight
- 0.100lbs
- Item Dimensions
- 50 X 30 X 5
- QUP
- 1
- Historical Price
- $52.50 EA
- 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
- - Department of The Navy
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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
- Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing
- Commodity (for shipments via water)
- Metal and metal products, nos, (less than 35 feet)
- 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
123990-21 / 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.
