MS9581-10

Military Standard Key Washer

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Description:

diameter: 1/4", corrosion resistant steel, keyed, MS9581 series washer

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Add to Cart Up to qty 275 ships same day if ordered before 4pm EST
MS9581-10 Price:
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$1.11 Each
Quantity:
Pre-packaged bag qty: 25 ea
* Sold in increments of 25
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MS9581-10 Datasheet Features and Specification

Hole Diameter:
0.250 inches nominal
Outside Diameter:
0.440 inches minimum and 0.450 inches maximum
External Prebent Key Length:
0.110 inches minimum and 0.115 inches maximum
External Tapered Key Width:
0.250 inches minimum and 0.260 inches maximum
External Prebent Key Width:
0.110 inches minimum and 0.115 inches maximum
Distance From Centerline To Inside Of Prebent Key:
0.265 inches minimum and 0.275 inches maximum
Material Thickness:
0.028 inches minimum and 0.036 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: MS958110
NSN: 5310-00-471-9105
FSC: Nuts and Washers / 5310
Product Series: MS9581
Pack Weight (Approx.) 0.038 lb
Minimum Qty (MOQ): 25
Schedule B: 7318.22.0000
ECCN: EAR99
National Motor Freight: 194160, Washer Or Gaskets, Iron Or Steel,
Download PDF Version
MS9581-10_Military-Fasteners-com.pdf
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More MS9581 key washers

MS9581-09

Key Washer 5310-00-121-8012, Diameter: 3/16in. corrosion resistant steel keyed washer locking

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Customer Reviews

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Recently my avionics technician and I were installing a component in my aircraft and there were some critical fasteners missing from the manufactures package. This stopped the entire process. I called Military Fasteners after finding the parts on line, and Trisha answered the phone. I told her the situation and that I needed them ASAP. I found the parts gave her the part number and she confirmed they were in stock. This was about 430 in the afternoon just before closing. Trisha was kind and professional got the parts out the door that evening even though it was after the shipping cut off. Saved the day. I can tell you this entire company is represented by Trisha, anything they can do to help you out of a jamb they will absolutely go the extra mile and Trisha is the go to person. I am sure there are others there with her same attitude and professionalism. This is a great resource for all your fasteners needs.

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I have been dealing with you folks for years as a corporation customer and personally. You are the industry standard on quality of product and service.

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Amelia Fato, excellent customer service. Able to provide quick response on requested quotes.

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