4M312-1

4M3121 Convex Washer

Price Quote Get an up to date pricing and availability quote for this product. Order online or over the phone.

Part Number:
Quantity Requested:
Your Email:
Full Name:
Contact Phone:
Company:

Quality Commitment

Serving our customers with quality and safety first.

  •   AS9120 Certified
  •   Audited supply chain
  •   ITAR Registered
  •   DDTC Registered
  •   HAZMAT Certified
  •   Customer service objectives
  •   Every product 100% inspected
AS9120 Certified by SAI Global

Datasheet. 4M312-1 specification

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

0.9995in. and 1.0005in. ⁓1-1/64"

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.

1.750in.

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

0.270in. and 0.280in.

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

copper alloy 172 or copper alloy 173

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-C-530 fed spec all material responses

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

convex

Answers.

What is the style?

Convex

What material is the convex washer made of ?

Copper alloy 172 or copper alloy 173

What is the thickness?

0.270 inches minimum and 0.280 inches maximum

What is the outside diameter?

1.750 inches

What is the inside hole diameter?

0.9995 inches minimum and 1.0005 inches maximum

What is the NSN for 4M312-1?

5310-01-194-0699

How is this classified for shipping?

Schedule B number: 7415210000
nmfc 194120
Copper washers including spring washers not threaded

What's the federal classification of 4M312-1?

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 5310-01-194-0699 WASHER,CONVEX

convex 0.270" material thickness 1.750" outside diameter 0.9995" hole diameter

NIIN
011940699
NIIN Date
11/09/84
Schedule B
7415210000 
Name Code
15931
FIIG
A022B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
 
Historical Price
$30.00 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

1. 10110122 Cage A486G

Major End Users Countries and entities

  • - Department of The Navy 
  • - Finland 
  • - Spain 
  • - Australia 
  • - Canada 

Availability for 4M312-1 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)
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

4M312-1 / Washer,convexWhat 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 raised to form a curved or spherical contour. see also washer (1), concave. excludes bearing, washer thrust.