NAS1218-4-21

Bolt

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Description:

Fastener Length: 1-15/32", Thread: 1/4-28, Thread Length: 1-1/4"

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NAS1218-4-21 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
1.250 inches nominal
Fastener Length:
1.482 inches nominal
Head Style:
Pan no. 2
Head Diameter:
0.477 inches minimum and 0.492 inches maximum
Head Height:
0.140 inches minimum and 0.150 inches maximum
Internal Drive Style:
High-torque
Thread Diameter:
0.250 inches
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c minimum and 40.0 rockwell c maximum
Screw Material:
Steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150
Screw Surface Treatment:
Cadmium and chromate
Screw Surface Treatment Specification:
Qq-p-416,type 2 class 2 fed spec single treatment response
Thread Series Designator:
Unjf
Specification Data:
80205-nas1218 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 1-15/32

Additional Information

SKU / Model: NAS1218421
NSN: 5305-01-528-7339
FSC: Screws / 5305
Product Series: NAS1218
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
Schedule B: 7318.15.2091
ECCN: 9A991
National Motor Freight: 096640, Screws, Iron Or Steel
Download PDF Version
NAS1218-4-21_Military-Fasteners-com.pdf
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NAS1218-4E2P

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NAS1218-4-9

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