NAS4204U19

Bolt

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Description:

Fastener Length: 1-5/8", Thread: 1/4-28, Thread Length: 27/64"

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NAS4204U19 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.425 inches nominal
Fastener Length:
1.598 inches minimum and 1.628 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.456 inches minimum and 0.508 inches maximum
Grip Diameter:
0.249 inches minimum and 0.250 inches maximum
Internal Drive Style:
Tri-wing recess
Thread Diameter:
0.250 inches
Grip Length:
1.178 inches minimum and 1.198 inches maximum
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
28
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Surface Finish:
125.0 microinches grip
Surface Finish:
125.0 microinches top of head
Surface Finish:
32.0 microinches bearing surface of head
Surface Finish:
32.0 microinches threads
Material:
Iron alloy 660 overall
Material Specification:
Ams 5731 assn std single material response overall or ams 5737,uns k66286 assn std single material response overall
Surface Treatment:
Passivate overall
Surface Treatment Specification:
Qq-p-35 fed spec single treatment response overall
Supplementary Features:
Tri-wing recess no. nas4000-6
Thread Series Designator:
Unjf
Specification Data:
80205-nas4003 professional/industrial association standard and 80205-nas4204/canceled/ professional/industrial association standard
Nondefinitive Specification/std Data:
1 class and a type and 3 table and 0.250-28 size
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Iron
Length 1-5/8

Additional Information

SKU / Model: NAS4204U19
NSN: 5305-01-186-2166
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10 EA
Schedule B: 7318.15.8085
ECCN: EAR99
Download PDF Version
NAS4204U19_Military-Fasteners-com.pdf
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Fastener Length: 1-3/16", Thread: 1/4-28, Thread Length: 27/64"

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Exceptional service as always. Part was as advertised, and came promptly, in perfect condition. I am always very pleased working with Military Fasteners.

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Thank you for your excellent customer support. The solenoids have been shipped extremely fast. I am very happy with the product and its price. I would recommend Military Fasteners to my friends at anytime.

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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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