NAS1221R04E1

Bolt

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Description:

Fastener Length: 19/64", Thread: 4-40, Thread Length: 7/32

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NAS1221R04E1 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.232 inches nominal
Fastener Length:
0.280 inches minimum and 0.310 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.194 inches minimum and 0.225 inches maximum
Internal Drive Style:
Torque-set ribbed
Thread Diameter:
0.112 inches
Thready Qty Per Inch (tpi):
40
Min. Tensile Strength (psi):
160000 pounds per square inch
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Screw Material:
Iron alloy 660
Screw Material Specification:
Ams5731 assn std single material response or ams5732 assn std single material response or ams5737 assn std single material response
Screw Surface Treatment:
Passivate
Screw Surface Treatment Specification:
Qq-p-35 fed spec single treatment response
Thread Series Designator:
Unjc
Specification Data:
80205-nas1221 professional/industrial association standard
Quick Specs
Thread Size 4
Thread Qty 40
Material Iron
Length 19/64

Additional Information

SKU / Model: NAS1221R04E1
NSN: 5305-01-365-1440
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1221R04E1_Military-Fasteners-com.pdf
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I recently requested a quote and placed an order with Kristen Belmont. Kristen was incredibly helpful, prompt, and informative, addressing all of my inquiries and requests efficiently. I am extremely grateful to have had Kristen's assistance.

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We worked with Ramona at Military Fasteners for a few items that we needed right away to complete a job. Ramona processed our order quickly and efficiently and made the experience stress free when it could have been quite challenging. The items came with all the correct documentation too which was also very important to us.

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Products are military grade MIL-SPEC as advertised. I was able to locate #10 locking counter-sunk nutplates when ALL other locations, including Aircraft-Spruce, could not supply.

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