Howmet
Head Style |
N/A Protruding Shear |
Type |
N/A Shear |
Material |
N/A 6AI-4V Titanium alloy per AMS 4928 or AMS 4967 |
Finish and Lubricant |
N/A Aluminum Coat |
Nominal Diameter |
N/A 1/4 in |
Thread Size |
N/A 0.2500-28 UNJF-3A |
External Thread - Major Diameter |
N/A 0.2410-0.2440 in |
External Thread - Pitch Diameter |
N/A 0.223 in |
A |
N/A 0.387-0.412 in |
D - Before Finish - Aluminum Coat MIN |
N/A 0.279 in |
D - After Finish - All MAY |
N/A 0.281 in |
D - After Finish - Aluminum Coat MIN |
N/A 0.280 in |
D - After Finish - None MIN |
N/A 0.280 in |
F |
N/A 0.030 in |
G |
N/A 0.005 in |
H |
N/A 0.059-0.069 in |
R |
N/A 0.015-0.025 in |
Chamfer |
N/A 1/32" x 45° |
Y |
N/A 0.160 in |
T |
N/A 0.090 in |
J - MAX |
N/A 0.160 in |
Minimum Double Shear, pounds |
N/A 11800.000 lb |
Tension Pounds Minimum |
N/A 4300.000 lb |
Notes |
N/A
1. Dimensions are in inches and to be met after finish and before dry film, and cetyl lube. 2. Surface texture per ANSI B46.1. 3. "A" concentric to "D" within 0.010 TIR. Runout of "D" to "Pitch" within "G" FIM when held on the "Pitch" of the complete threads nearest the shank and checked on the shank within one diameter of the runout. 4. Flute location ("K" Dimension) and geometry are inspected per HFS specification E106. 5. Threads must be accept a AS8879 "GO" ring gage to assure free running nut capability. AS8879 limits do not apply to threads in the fluted portion of the threads. The minor and pitch diameters may be up to 0.004 below AS8879 minimum values and major diameter may be up to 0.002 below sheet 1 values for a distance equal to the flute length plus 1.5P Max. 6. Blended radius transition permits use in interference fit application. 7. See table III. 8. Pins shall be packaged or repackaged in clear sealed plastic bags. Each bag shall contain a maximum of 100 pins for 5 & 6 diameters , 50 pins per bag for 8 & 10 diameters, 25 pins per bag for diameter. Each bag shall be marked with purchaser´s and manufacturer´s complete part number, manufacturer´s lot number, manufacturer´s or distributor´s name and the pack date. 9. Various nut materials and configurations available upon request. 10. For dimensions not shown, see sheets 1 and 2. 11. For material, Finish and lube information, see sheets 1 and 2. |
