NAS1580C4R21

Bolt

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Description:

Fastener Length: 1-1/4", Thread: 1/4-28, Thread Length: 1-1/4"

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NAS1580C4R21 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
1.312 inches nominal
Fastener Length:
1.312 inches nominal
Head Style:
Flat countersunk
Head Diameter:
0.464 inches nominal
Grip Diameter:
0.250 inches nominal
Internal Drive Style:
Cross recess type ii
Thread Diameter:
0.250 inches
Grip Length:
1.312 inches nominal
Thready Qty Per Inch (tpi):
28
Countersink Angle:
101.0 degrees nominal
Material:
Steel corrosion resisting overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Stainless Steel
Length 1-1/4

Additional Information

SKU / Model: NAS1580C4R21
NSN: 5305-01-607-1811
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 096640, Screws, Iron Or Steel
Download PDF Version
NAS1580C4R21_Military-Fasteners-com.pdf
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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!

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Small order but all was in stock, sales rep was very friendly and made it a pleasure. Shipped and received quicker than expected.

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I have been a customer since Fullerton Air Parts (Flo Irwin). That should speak volumes of the service I have received from Military Fasteners. In the early days, I had a variety of planes and was based out of Orange County Airport. At the time, the airport was surrounded by bean fields. I, and some of my friends, would frequently fly into Fullerton airport for lunch, the pick up whatever supplies we needed from Flo. She was a great lady, and I am glad that she passed on such a wonderful legacy. I am certain that she would be very proud of what she started, and proud of you all for building on her meager beginnings.

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