642-A174-3

642A1743 Lock Washer

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Datasheet. 642-A174-3 specification

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

0.680in. ⁓11/16"

Length Across Flats
A measurement of the longest dimension from one flat to the opposite flat,in distinction from width.

2.500in.

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

0.062in.

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.

dull finish

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

steel comp 1017

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-S-766 fed spec single material response

Answers.

What quantity is this sold in?

1EA

What material is the lock washer made of ?

Steel comp 1017

What is the thickness?

0.062 inches

What is the inside hole diameter?

0.680 inches

What is the NSN for 642-A174-3?

5310-01-282-0845

How is this classified for shipping?

Schedule B number: 7318210000
nmfc 194160
Spring washers and other lock washers, iron or steel

What's the federal classification of 642-A174-3?

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 5310-01-282-0845 WASHER,LOCK

dull finish 0.062" material thickness 0.680" hole diameter

NIIN
012820845
NIIN Date
07/08/88
Schedule B
7318210000 
Name Code
14218
FIIG
A022B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$123.03 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. 642A174P3 Cage 0BR59
2. PL-781E827 PIECE 70 Cage 01289
3. 642A174P3 Cage 01289

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

642-A174-3 / Washer,lockWhat is the formal definition of this item?

A washer which is usually round with a centrally located hole. its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. it may be made of one or two pieces