121752

121752 Lock Washer
Home » Catalog » Nuts & Washers (p. 3224) » Lock Washers (p. 1) » Part Number 121752

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Datasheet. 121752 specification

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

0.168in. and 0.174in. ⁓3/16"

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.

0.365in. and 0.381in.

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

0.018in. and 0.023in.

Hardness Rating
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

40.0 rockwell c and 50.0 rockwell c

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

steel

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-633, FS1060 to FS1080-Cancelled fed spec all material responses

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.

cadmium or zinc

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

flat external teeth

Answers.

What quantity is this sold in?

1HD

What is the style?

Flat external teeth

What material is the lock washer made of ?

Steel

What is the thickness?

0.018 inches minimum and 0.023 inches maximum

What is the outside diameter?

0.365 inches minimum and 0.381 inches maximum

What is the inside hole diameter?

0.168 inches minimum and 0.174 inches maximum

What is the NSN for 121752?

5310-00-012-1752

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 121752?

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 5310-00-012-1752 WASHER,LOCK

flat external teeth cadmium or zinc surface treated 0.018" material thickness 0.365" outside diameter 0.168" hole diameter

NIIN
000121752
NIIN Date
01/01/63
Schedule B
7318210000 
Name Code
14218
FIIG
A022B0
QUP
1 
Historical Price
$0.73 HD
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. MILW6986TYPEB Cage 81349
2. 219-8N Cage 1MY97
3. 83029 Cage 29201
4. 77837 Cage 57733
5. PC121752 Cage C7432
6. 2-820 Cage 78452
7. BEAX7C1 Cage 00000
8. BEAX7C2 Cage 00000
9. 34938S7 Cage 23040
10. 219-8N Cage 28480

Major End Users Countries and entities

  • - Austria 
  • - Brazil 
  • - Spain 
  • - Singapore 
  • - Malaysia 
  • - Republic of Korea 
  • - Turkey 

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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)
50.0
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

121752 / 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