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Datasheet. 1881B279 specification
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
4.002in. and 4.007in. ⁓4-1/64"
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
5.000in.
0.165in.
A measurement taken at right angles to the length of an external keyway,in distinction from thickness.
0.440in.
6
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.
feat
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
125.0 microinches all surfaces
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.
two internal keys equally spaced 0.060 in.width; one external key irregular shape 3.910 width; heat treated 180, 000 to 200, 000 PSI-Uts per MIL-H-6875
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel corrosion resisting
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
cleveland pneumatic co. 1881B279-60 ref 4340-var mfr ref 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.
cadmium
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
QQ-P-416, type 1, class 2 fed spec single treatment response
Answers.
1EA
Steel corrosion resisting
5.000 inches
4.002 inches minimum and 4.007 inches maximum
Schedule B number: 7318220000
nmfc 052190
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 5310-01-173-1752 WASHER,KEYWAY
cadmium surface treated two internal keys equally spaced 0.060 in.width; one external key irregular shape 3.910 width; heat treated 180, 000 to 200, 000 psi-uts per mil-h-6875 5.000" outside diameter 4.002" hole diameter
- NIIN
- 011731752
- NIIN Date
- 03/03/84
- Schedule B
- 7318220000
- Name Code
- 06158
- FIIG
- A022B0
- QUP
- 1
- Historical Price
- $3,749.80 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
Major End Users Countries and entities
- - Department of The Air Force
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- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- Rating variable
- 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)
- 052190 PIPE,TUBING,OR PIPE OR TUBING FITTI
- UFC (universal freight code)
- 30000
Similar by Design Other washers with similar characteristics
Nothing similar to this part number was found in our inventory
1881B279 / Washer,keywayWhat 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 notches. excludes thrust type washers.
