12Z3038-21

12Z303821 Lock Washer

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Quality Commitment

Serving our customers with quality and safety first.

  •   AS9120 Certified
  •   Audited supply chain
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AS9120 Certified by SAI Global

Datasheet. 12Z3038-21 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 0.178in. ⁓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.

0.296in.

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

0.040in. and 0.046in.

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

45.0 rockwell c and 53.0 rockwell c

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

steel

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

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-416, ty 1, cl 3 fed spec single treatment response

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

split HELICAL-Right hand

Answers.

What quantity is this sold in?

1HD

What is the style?

Split helical-right hand

What material is the lock washer made of ?

Steel

What is the thickness?

0.040 inches minimum and 0.046 inches maximum

What is the outside diameter?

0.296 inches maximum

What is the inside hole diameter?

0.168 inches minimum and 0.178 inches maximum

What is the NSN for 12Z3038-21?

5310-00-764-5694

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 12Z3038-21?

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 5310-00-764-5694 WASHER,LOCK

split helical-right hand cadmium surface treated 0.040" material thickness 0.296" outside diameter 0.168" hole diameter

NIIN
007645694
NIIN Date
01/01/60
Schedule B
7318210000 
Name Code
14218
FIIG
A022B0
QUP
Historical Price
$0.33 HD
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. 1978HX Cage 45152
2. 1904623 Cage 1LW55
3. 1913982 Cage 1LW55
4. 121841 Cage 1LW55
5. 1900788 Cage 1LW55
6. 2435 Cage 24975
7. Z093002435 Cage 24975
8. 34802S7 Cage 57526
9. 34802S8 Cage 57526
10. WA5-4CA Cage 01843
11. 121841 Cage 12204
12. 121841 Cage 72582
13. 7348901 Cage 19207
14. 121841 Cage 24617
15. B298-6 Cage 91340
16. B299-6 Cage 91340
17. 121841 Cage 73331
18. PC121841 Cage C7432
19. 121841 Cage 56442
20. KC7913 Cage 56442
21. 46R285 Cage 29092
22. 702004 Cage 55396
23. 224866 Cage 08683
24. 121841 Cage 23705
25. 2435 Cage 35510
26. 121841 Cage 16764
27. 1900788 Cage 16764
28. 1904623 Cage 16764
29. 1913982 Cage 16764
30. 34802S7 Cage 23040
31. 34802S8 Cage 23040
32. 02435 Cage 35510
33. Z093002435 Cage 35510
34. 121841 Cage 31007
35. 1978HX Cage 75Q65

Major End Users Countries and entities

  • - Austria 
  • - Brazil 
  • - New Zealand 
  • - Republic of Korea 
  • - United Kingdom 
  • - Italy 
  • - Greece 
  • - 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)
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

12Z3038-21 / 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