3180971-3

31809713 Recessed Washer

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Datasheet. 3180971-3 specification

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

0.252in. and 0.260in. ⁓17/64"

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.

0.560in.

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

0.062in. and 0.077in.

Top Recess Diameter

0.296in. and 0.304in.

Bottom Recess Angle

90.0 degrees

Top Recess Angle

90.0 degrees

Bottom Recess Diameter

0.296in. and 0.304in.

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

nickel alloy K-500

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-N-286, class a fed spec single material response

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

recessed both sides

Answers.

What is the style?

Recessed both sides

What material is the recessed washer made of ?

Nickel alloy k-500

What is the thickness?

0.062 inches minimum and 0.077 inches maximum

What is the outside diameter?

0.560 inches

What is the inside hole diameter?

0.252 inches minimum and 0.260 inches maximum

What is the NSN for 3180971-3?

5310-01-353-5122

How is this classified for shipping?

Schedule B number: 7508900000
nmfc 194160
Other articles of nickel (excluding cloth, grill & netting of nickel wire)

What's the federal classification of 3180971-3?

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 5310-01-353-5122 WASHER,RECESSED

recessed both sides 0.062" material thickness 0.560" outside diameter 0.252" hole diameter

NIIN
013535122
NIIN Date
02/12/92
Schedule B
7508900000 
Name Code
15933
FIIG
A022B0
QUP
 
Historical Price
$67.33 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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Shipping Information

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)
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)
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

3180971-3 / 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.