U109

U109 Lock Washer
Home » Catalog » Nuts & Washers (p. 2248) » Lock Washers (p. 1) » Part Number U109

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Datasheet. U109 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.

0.446in. and 0.464in.

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

0.016in. and 0.020in.

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 comp 1050 or steel comp 1551 or steel comp 1552 or steel comp 1053 or steel comp 1055 or steel comp 1059 or steel comp 1060 or steel comp 1561 or steel comp 1064

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.

66 fed std 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

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 2, 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.

flat internal teeth

Nondefinitive Spec/std Data
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.

a type and a grade

Answers.

What quantity is this sold in?

1HD

What is the style?

Flat internal teeth

What material is the lock washer made of ?

Steel comp 1050 or steel comp 1551 or steel comp 1552 or steel comp 1053 or steel comp 1055 or steel comp 1059 or steel comp 1060 or steel comp 1561 or steel comp 1064

What is the thickness?

0.016 inches minimum and 0.020 inches maximum

What is the outside diameter?

0.446 inches minimum and 0.464 inches maximum

What is the NSN for U109?

5310-00-905-5454

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 U109?

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 5310-00-905-5454 WASHER,LOCK

flat internal teeth cadmium surface treated 0.016" material thickness 0.446" outside diameter

NIIN
009055454
NIIN Date
01/01/60
Schedule B
7318210000 
Name Code
14218
FIIG
A022B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
1 
Historical Price
$2.80 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. A02157-103 Cage D9182
2. AN936A716S Cage D9182
3. 21151 Cage D9182
4. 21151 Cage 81579
5. 16-886 Cage 4LPM8
6. 8176098 Cage 18876
7. 16-886 Cage 55841
8. MS35333-121 Cage 80205
9. P37344 Cage U1604
10. 809401 Cage 19203
11. A4303 Cage 72914
12. 16-886 Cage K0955
13. MS35333-121 Cage 96906
14. 21151 Cage 59501
15. 21151 Cage 77820
16. 16-886 Cage 88140
17. 21151 Cage D9182
18. A02157-103 Cage D9182
19. AN936A716S Cage D9182
20. 21151 Cage 81579
21. 16-886 Cage 4LPM8
22. MS35333-121 Cage 80205
23. P37344 Cage U1604
24. 8176098 Cage 18876
25. 16-886 Cage 55841
26. 16-886 Cage K0955
27. A4303 Cage 72914
28. 16-886 Cage 88140
29. 809401 Cage 19203
30. MS35333-121 Cage 96906
31. 21151 Cage 59501
32. 21151 Cage 77820
33. 21151 Cage D9182
34. A02157-103 Cage D9182
35. AN936A716S Cage D9182
36. 21151 Cage 81579
37. 16-886 Cage 4LPM8
38. MS35333-121 Cage 80205
39. P37344 Cage U1604
40. 8176098 Cage 18876
41. 16-886 Cage 55841
42. 16-886 Cage K0955
43. A4303 Cage 72914
44. 16-886 Cage 88140
45. 809401 Cage 19203
46. MS35333-121 Cage 96906
47. 21151 Cage 59501
48. 21151 Cage 77820
49. 21151 Cage D9182
50. A02157-103 Cage D9182
51. AN936A716S Cage D9182
52. 21151 Cage 81579
53. 16-886 Cage 4LPM8
54. MS35333-121 Cage 80205
55. P37344 Cage U1604
56. 8176098 Cage 18876
57. 16-886 Cage 55841
58. 16-886 Cage K0955
59. A4303 Cage 72914
60. 16-886 Cage 88140
61. 809401 Cage 19203
62. MS35333-121 Cage 96906
63. 21151 Cage 59501
64. 21151 Cage 77820

Major End Users Countries and entities

  • - Department of The Army 
  • - Department of The Air Force 
  • - Department of The Navy 
  • - U.s. Marine Corps 
  • - Austria 
  • - Poland 
  • - Brazil 
  • - Spain 
  • - Singapore 
  • - Saudi Arabia 
  • - Malaysia 
  • - Australia 
  • - Belgium 
  • - Canada 
  • - New Zealand 
  • - France 
  • - Germany 
  • - Republic of Korea 
  • - United Kingdom 
  • - Netherlands 
  • - Portugal 
  • - Italy 
  • - Denmark 
  • - Norway 
  • - 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

U109 / 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