7-311512112-3

73115121123 Concave Washer

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Quality Commitment

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Datasheet. 7-311512112-3 specification

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.

0.875in.

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

0.052in. and 0.056in.

Special Features
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 right corner 0.042 in. min 0.046 in. max, inside spherical dia 0.625 in. min 0.630 in. max

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

steel comp 630

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.

ams 5643 assn std 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.

passivate

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.

QQ-P-35 fed spec single treatment response

Answers.

What quantity is this sold in?

1EA

What material is the concave washer made of ?

Steel comp 630

What is the thickness?

0.052 inches minimum and 0.056 inches maximum

What is the outside diameter?

0.875 inches

What is the NSN for 7-311512112-3?

5310-01-256-0423

How is this classified for shipping?

Schedule B number: 7318220000
nmfc 194160
Washers other than lock washers, iron or steel

What's the federal classification of 7-311512112-3?

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 5310-01-256-0423 WASHER,CONCAVE

passivate surface treated chamfer outside right corner 0.042 in. min 0.046 in. max, inside spherical dia 0.625 in. min 0.630 in. max 0.052" material thickness 0.875" outside diameter

NIIN
012560423
NIIN Date
05/30/87
Schedule B
7318220000 
Name Code
15930
FIIG
A022B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$43.93 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 Army 
  • - Singapore 
  • - Republic of Korea 
  • - United Kingdom 
  • - Netherlands 
  • - Greece 

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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

7-311512112-3 / Washer,concaveWhat is the formal definition of this item?

A washer which is round with a centrally located hole. one bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. see also washer (1), convex. excludes washer (1), recessed and bearing, washer, thrust.