3M1278E3D7A

Bolt

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Description:

Bolt part number 3M1278E3D7A

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3M1278E3D7A Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.425 inches nominal
Fastener Length:
0.7675 inches minimum and 0.7975 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.294 inches minimum and 0.301 inches maximum
Shoulder Diameter:
0.2177 inches minimum grip and 0.2182 inches maximum grip
Shoulder Length:
0.3915 inches nominal grip
Hole Diameter:
0.070 inches minimum and 0.080 inches maximum
Spline Minor Diameter:
0.1105 inches minimum and 0.1125 inches maximum
Spline Major Diameter:
0.1540 inches minimum and 0.1560 inches maximum
Internal Drive Style:
Torx
Thread Diameter:
0.2500 inches
Hole Quantity:
1
Hole Type:
Drilled
Features Provided:
Cetyl alcohol lubricant
Thready Qty Per Inch (tpi):
32
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Criticality Code Justification:
Agav
Shoulder Shape:
Round grip
Part Name Assigned By Controlling Agency:
Eddie bolt aircraft
Material:
Nickel alloy 718 overall
Material Specification:
Ams5662 assn std single material response overall
Surface Treatment:
Passivate overall
Surface Treatment Specification:
Mil-l-87132 type 1 grade b mil spec single treatment response overall
Thread Series Designator:
Unjf

Additional Information

SKU / Model: 3M1278E3D7A
NSN: 5305-01-536-4451
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1 EA
Schedule B: 7318.23.0000
ECCN: 9A991
National Motor Freight: 096640, Screws, Iron Or Steel
Download PDF Version
3M1278E3D7A_Military-Fasteners-com.pdf
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