2578837-001A

2578837001A Recessed Washer

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Datasheet. 2578837-001A specification

Hole Diameter
The length of a straight line which passes through the center of a hole,and terminates at the circumference.

3.031in. and 3.036in. ⁓3-3/64"

Outside Diameter
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.

3.625in.

Recess Diameter
The length of a straight line which passes through the center of the recess,and terminates at the circumference.

3.111in. and 3.126in.

Recess Depth
A measurement between specified points on the recess,in distinction from height.

0.040in. and 0.045in.

Material Thickness
A measurement of the smallest dimension of the material,in distinction from length or width.

0.115in. and 0.120in.

Top Recess Diameter

3.111in. and 3.126in.

Bottom Recess Angle

90.000 degrees

Top Recess Angle

90.000 degrees

Bottom Recess Diameter

3.111in. and 3.126in.

Part Name Assigned By Controlling Agency
The name assigned to the item by the government agency or commercial organization controlling the design of the item.

navy special project

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

aluminum alloy 7075

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

QQ-A-200/11, temper T6 fed spec single material response or QQ-A-250/12, temper T6 fed spec single material response

Surface Treatment
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.

anodize

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

MIL-A-8625, ty 2, cl 1 mil spec single treatment response

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

recessed both sides

Test Data Document
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-6866 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.

What quantity is this sold in?

1EA

What is the style?

Recessed both sides

What material is the recessed washer made of ?

Aluminum alloy 7075

What is the thickness?

0.115 inches minimum and 0.120 inches maximum

What is the outside diameter?

3.625 inches

What is the inside hole diameter?

3.031 inches minimum and 3.036 inches maximum

What is the NSN for 2578837-001A?

5310-00-432-3486

How is this classified for shipping?

Schedule B number: 7616108000
nmfc 194120
Cotters, cotter-pins, washers and similar articles, of aluminum

What's the federal classification of 2578837-001A?

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 5310-00-432-3486 WASHER,RECESSED

recessed both sides anodize surface treated navy special project 0.115" material thickness 3.625" outside diameter 3.031" hole diameter

NIIN
004323486
NIIN Date
05/12/71
Schedule B
7616108000 
Name Code
15933
FIIG
A022B0
Item Weight
0.000lbs
Item Dimensions
--
QUP
Historical Price
$87.45 EA
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

1. 52578837-001A Cage 95048
2. 52578837-001A Cage 06848
3. 52578837-001A Cage 03950

Major End Users Countries and entities

  • - Department of The Navy 

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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)
Unknown
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

2578837-001A / 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.