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Datasheet. 2578595-001B specification
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
2.4370in. and 2.4380in. ⁓2-29/64"
The length of a straight line which passes through the center of a shoulder,and terminates at the circumference.
2.810in.
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
3.110in.
The length of a straight line which passes through the center of the recess,and terminates at the circumference.
2.5570in. and 2.5780in.
0.530in. and 0.540in.
A measurement of the smallest dimension of the material,in distinction from length or width.
0.156in.
Those features,not otherwise specified,which may be required for proper functioning of the item.
casehardened
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
35.0 rockwell c and 42.0 rockwell c
90.0 degrees
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.
chamfer outside edge of flange 43 deg min, 47 deg max
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.
ams 5643 assn std 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.
passivate
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
CP-0520, fscm 06848 mfr ref single treatment response
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
shouldered and recessed
The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.
81349-MIL-I-6870 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.) .
Answers.
1EA
Shouldered and recessed
Steel comp 630
0.156 inches
3.110 inches
2.4370 inches minimum and 2.4380 inches maximum
Schedule B number: 7616108000
nmfc 194120
Cotters, cotter-pins, washers and similar articles, of aluminum
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 5310-01-170-6272 WASHER,SHOULDERED AND RECESSED
shouldered passivate surface treated chamfer outside edge of flange 43 deg min, 47 deg max 0.156" material thickness 3.110" outside diameter 2.4370" hole diameter
- NIIN
- 011706272
- NIIN Date
- 01/27/84
- Schedule B
- 7616108000
- Name Code
- 15935
- FIIG
- A022B0
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $383.25 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
Availability for 2578595-001B A member of our team will provide you with a price and availability quote
Request a Quote »Shipping Information
- 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)
- Rating variable
- 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)
- 194120 WASHERS/GASKETS/PCKG DVCS NOI
- UFC (universal freight code)
- 95100
Similar by Design Other washers with similar characteristics
Nothing similar to this part number was found in our inventory
2578595-001B / Washer,shouldered and recessedWhat is the formal definition of this item?
A washer, round in shape, having a centrally located hole. one bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. 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.
