NAS1221R4E4
Close Tolerance Bolt
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Description:
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Fastener Length: 11/16", Thread: 1/4-28, Thread Length: 27/64
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NAS1221R4E4 Datasheet Features and Specification
Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.425 inches nominal
Fastener Length:
0.661 inches minimum and 0.691 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.461 inches minimum and 0.507 inches maximum
Internal Drive Style:
Torque-set ribbed
Thread Diameter:
0.250 inches
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency:
Navy special project
Screw Material:
Iron alloy 660
Screw Material Specification:
Ama5731 assn std single material response or ama5732 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:
Unjf
Specification Data:
80205-nas1221 professional/industrial association standard
Quick Specs
| Thread Size | 1/4 |
| Thread Qty | 28 |
| Material | Iron |
| Length | 11/16 |
Additional Information
| SKU / Model: | NAS1221R4E4 |
| NSN: | 5305-01-365-1910 |
| FSC: | Screws / 5305 |
| Product Series: | NAS1221R4E |
| Pack Weight (Approx.) | 0.000 lb |
| Minimum Qty (MOQ): | 10 |
| Schedule B: | 7318.15.8085 |
| ECCN: | EAR99 |
| National Motor Freight: | 096640, Screws, Iron Or Steel |
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Download PDF Version NAS1221R4E4_Military-Fasteners-com.pdf |
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More NAS1221R4E close tolerance bolts
NAS1221R4E6
Fastener Length: 3/8", Thread: 1/2-
NAS1221R4E5
Fastener Length: 3/4", Thread: 1/4-28, Thread Length: 27/64"
NAS1221R4E3
NAS1221R4E3
NAS1221R4E23
Fastener Length: 1-7/16", Thread: 1/2-
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Product code NAS1221R4E4
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