W-18

W18 Key Washer
Home » Catalog » Nuts & Washers (p. 3031) » Key Washers (p. 75) » Part Number W-18

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Quality Commitment

Serving our customers with quality and safety first.

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

Datasheet. W-18 specification

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

3.582in. and 3.612in. ⁓3-5/8"

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.

4.281in. and 4.326in.

Internal Prebent Key Length

0.188in. and 0.250in.

External Prebent Key Width

0.298in. and 0.328in.

Internal Prebent Key Width

0.313in. and 0.353in.

Overall Distance Including Keys

4.938in.

External Key Quantity

19

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

0.088in. and 0.100in.

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

w/s:supply class aoe; stream (std, tensioned replenishment at sea method) ; FMS-Knox class ff; whicbey island class lsd; systems, JP-5 aviation fuels; tarawa class lha; nimitz class cvn; trailer, semi (M860A1)

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

50.0 rockwell b and 81.0 rockwell b

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

steel comp 1005 or steel comp 1006 or steel comp 1008 or steel comp 1010 or steel comp 1015 or steel comp 1016 or steel comp 1018 or steel comp 1025 or steel comp 1030 or steel comp 1035

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

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

key

Answers.

What is the style?

Key

What material is the key washer made of ?

Steel comp 1005 or steel comp 1006 or steel comp 1008 or steel comp 1010 or steel comp 1015 or steel comp 1016 or steel comp 1018 or steel comp 1025 or steel comp 1030 or steel comp 1035

What is the thickness?

0.088 inches minimum and 0.100 inches maximum

What is the outside diameter?

4.281 inches minimum and 4.326 inches maximum

What is the inside hole diameter?

3.582 inches minimum and 3.612 inches maximum

What is the NSN for W-18?

5310-00-186-0977

How is this classified for shipping?

Schedule B number: 7318220000
nmfc 194160
Washers other than lock washers, iron or steel

What's the federal classification of W-18?

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 5310-00-186-0977 WASHER,KEY

Used on w/s:supply class aoe; stream (std, tensioned replenishment at sea method); fms-knox class ff; whicbey island class lsd; systems, jp-5 aviation fuels; tarawa class lha; nimitz class cvn; trailer, semi (m860a1). key 0.088" material thickness 4.281" outside diameter 3.582" hole diameter

NIIN
001860977
NIIN Date
01/01/61
Schedule B
7318220000 
Name Code
01869
FIIG
A022B0
Item Weight
0.200lbs
Item Dimensions
--
QUP
 
Historical Price
$6.33 EA
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. 35051-18-AA Cage 50380
2. MS19070-181 Cage 96906
3. 13388-F Cage 45152
4. 13388FX Cage 45152
5. 18Z1D16 Cage 27315
6. 09-20048 Cage 47353
7. 321079 Cage 1ML14
8. 322660PC163 Cage 1ML14
9. 322661PC163 Cage 1ML14
10. 332407SH3ITEM44 Cage 1ML14
11. EC6034 Cage 1ML14
12. 18439 Cage 23926
13. J-16116-25 Cage 088K1
14. M2013R Cage 61208
15. W18 Cage 01212
16. 9B578 Cage 11083
17. W18 Cage 43334
18. W18 Cage 43991
19. 72-6971-368 Cage 50024
20. W18 Cage 52676
21. W18 Cage 61208
22. 60152DPC19 Cage 65177
23. 60153DPC135 Cage 65177
24. 60154FPC235 Cage 65177
25. 60067HPC54 Cage 65177
26. 60103EPC19 Cage 65177
27. 60104FPC135 Cage 65177
28. 60105HPC235 Cage 65177
29. 60287PPC271 Cage 65177
30. 60320G271 Cage 65177
31. 61944PC68 Cage 65177
32. 61945PC68 Cage 65177
33. 61946PC278 Cage 65177
34. AS11-1701-543PC54 Cage 65177
35. 61209-89 Cage 65177
36. 61209PC89 Cage 65177
37. 61259PC89 Cage 65177
38. W18 Cage 65177
39. W18 Cage 72957
40. G378815PC55 Cage 72957
41. W18 Cage 21335
42. 800265-740 Cage 21444
43. 801087PC740 Cage 21444
44. 801088PC740 Cage 21444
45. W18 Cage 21760
46. R18439 Cage 23926
47. 127698 Cage 24617
48. W18 Cage 24617
49. SKFW18 Cage 82796
50. W18 Cage 82796
51. W18 Cage 79568
52. W18 Cage 1X0J7
53. MA7-024DISSUE1PC130 Cage 98523
54. MA4-531DISSUE2PC130 Cage 98523
55. 91109278 Cage 82796
56. HR22311 Cage 51228
57. N10275PC169 Cage 51228
58. N9775PC169 Cage 51228
59. N8240PCEC6034 Cage 51228
60. 322660PC163 Cage 28265
61. 321079 Cage 28265
62. 322661PC163 Cage 28265
63. 332407SH3ITEM44 Cage 28265
64. EC6034 Cage 28265
65. 1-06034-0800 Cage 70691
66. W18 Cage 09348
67. 322660PC163 Cage 70691
68. 322661PC163 Cage 70691
69. 332407SH3ITEM44 Cage 70691
70. 321079 Cage 70691
71. EC4786PCEC6034 Cage 70691
72. EC6034 Cage 70691
73. EC8000PCEC6034 Cage 70691
74. EC8000BPCEC6034 Cage 70691
75. N8240PCEC6034 Cage 70691
76. N9775PC169 Cage 70691
77. HR22311 Cage 70691
78. N10275PC169 Cage 70691
79. 16X9A18 Cage 63734
80. AS11-1701-543PC54 Cage 82126
81. 53808GPC25 Cage 08219
82. 53808MPC25 Cage 08219
83. W18 Cage 08219
84. MB1645-1PC18 Cage 20263
85. MB1645PC18 Cage 20263
86. 53-003-022PC10 Cage 92392
87. DR2566PC10 Cage 92392
88. DR2583PC7 Cage 92392
89. DR2589PC10 Cage 92392
90. DR2527PC33 Cage 92392
91. DR2636PC33 Cage 92392
92. W18 Cage 92392
93. J-16116-25 Cage 00293
94. MA4-531DISSUE2PC130 Cage 65090
95. MA7-024DISSUE1PC130 Cage 65090
96. W18 Cage 40152
97. W18 Cage 47353
98. 12Z335-49 Cage 10001
99. W18 Cage 38443
100. 14627PCM1176A Cage 61208
101. 17652PCM1176A Cage 61208
102. 18317PCM1176A Cage 61208
103. 19400PC1176A Cage 61208
104. 20681PCM1176A Cage 61208
105. 20682PCM1176A Cage 61208
106. 90097PCM1176A Cage 61208
107. 90148PC145 Cage 61208
108. 90148PCM1176A Cage 61208
109. 90074PCM1176A Cage 61208
110. 90097PC125 Cage 61208
111. 90190PC74 Cage 61208
112. 90190PCM1176A Cage 61208
113. 9B578 Cage 61208
114. CF100-19TC1PC145 Cage 61208
115. CF100-19TC1PCM1176A Cage 61208
116. CF100-18TC1PC125 Cage 61208
117. CF100-18TC1PCM1176A Cage 61208
118. F100-15PCM1176A Cage 61208
119. F100-15TCPC74 Cage 61208
120. F100-15TCPCM1176 Cage 61208
121. F100-15PC74 Cage 61208
122. M1176A Cage 61208
123. SN5751PCM1176A Cage 61208
124. TDM1176A Cage 61208
125. X207271APCM1176A Cage 61208
126. X207284PC145 Cage 61208
127. X207284PCM1176A Cage 61208
128. X207190PC74 Cage 61208
129. X207190PCM1176A Cage 61208
130. X207271APC125 Cage 61208
131. X8841APCM1176A Cage 61208
132. X8841PCM1176A Cage 61208
133. 13388-F Cage 75Q65
134. 13388FX Cage 75Q65
135. 09-20048 Cage 1QUF0

Major End Users Countries and entities

  • - Tennessee Valley Authority 
  • - Department of The Navy 
  • - Department of The Air Force 
  • - U.s. Marine Corps 
  • - U.s. Coast Guard 
  • - Brazil 
  • - Spain 
  • - Singapore 
  • - Canada 
  • - France 
  • - Republic of Korea 
  • - Netherlands 
  • - 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

W-18 / Washer,keyWhat is the formal definition of this item?

A washer of nonresilient material usually having two parallel bearing surfaces. the outside and/or inside edges have one or more protuberances. the ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. the keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. excludes thrust type washer.