MS9581-09

Military Standard Key Washer

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Description:

diameter: 3/16" corrosion resistant steel keyed washer, locking

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MS9581-09 Datasheet Features and Specification

Hole Diameter:
0.190 inches nominal
Outside Diameter:
0.195 inches minimum and 0.200 inches maximum
External Prebent Key Length:
0.095 inches minimum and 0.105 inches maximum
External Tapered Key Width:
0.200 inches minimum and 0.210 inches maximum
External Prebent Key Width:
0.110 inches minimum and 0.115 inches maximum
Distance From Centerline To Inside Of Prebent Key:
0.221 inches minimum and 0.231 inches maximum
Material Thickness:
0.019 inches minimum and 0.025 inches maximum
Angle Between External Keys:
58.0 degrees minimum and 62.0 degrees maximum
External Prebent Key Angle:
15.0 degrees nominal
Material:
Steel comp 321 overall
Material Specification:
Ams 5510 assn std single material response overall
Style Designator:
90 degree locking key

Additional Information

SKU / Model: MS958109
NSN: 5310-00-121-8012
FSC: Nuts and Washers / 5310
Product Series: MS9581
Pack Weight (Approx.) 0.037 lb
Minimum Qty (MOQ): 50
ECCN: EAR99
National Motor Freight: 194160, Washer Or Gaskets, Iron Or Steel,
Download PDF Version
MS9581-09_Military-Fasteners-com.pdf
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More MS9581 key washers

MS9581-10

$0.96 Each, Diameter: 1/4in. corrosion resistant steel keyed washer 90 degree locking

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I placed an order with Lindsey at Military Fasteners late afternoon, 3:15 to be exact and she was nice enough to expedite my order and made sure to get it shipped that day. Great company with great people.

5.0

As usual & predictably, Military Fasteners comes thru as promised. Sets a higher standard for service, more companies should follow. Thanks again!

5.0

Another good experience with Military Fasteners, and our Sales Rep, Dan Hunter. We needed hardware for an older aircraft model, and Dan's expertise was exceptional. He quickly identified fasteners, even for parts with unclear descriptions, and provided invaluable technical assistance. The supporting data was spot-on, verified by our technicians. Despite finding slightly lower prices elsewhere, the unmatched service and expertise from Military Fasteners, particularly Dan, make them our preferred choice. Our order was delivered ahead of schedule. Highly recommend MilFast for top-notch service and technical support!

5.0

Ramona was awesome when it came to helping me source some hard to get and not commonly used fasteners for a special project we are working on. Thanks Ramona!

5.0