Howmet Aerospace - F1800 - Barrel Nut Floating

THREAD: AS8879
MATERIAL:
Nut and cradle - 8740 per AMS 6322 or 4340 per AMS 6415 alloy steel.
Roll Pin - 300 series corrosion resistant steel.
FINISH:

Nut - Cadmium plate per AMS-QQ-P-416, Type II, Class 2 and Kaylube molybdenum disulfide dry lubricant per AS5272, Type I.
Cradle - Cadmium plate per AMS-QQ-P-416, Type II, Class 2.
Roll Pin - Passivate per AMS2700.

FLOATABILITY: .028 minimum on "X" axis; .016 maximum end to end.
APPLICATION: NASM25027, as applicable per NAS 577. F1800 is for use in applications requiring a high strength nut where access is restricted.

Unit of Measure

Items	F1800-4 F1800 - Barrel Nut Floating	F1800-5 F1800 - Barrel Nut Floating	F1800-6 F1800 - Barrel Nut Floating	F1800-7 F1800 - Barrel Nut Floating	F1800-8 F1800 - Barrel Nut Floating
H - MAX	N/A 0.406	N/A 0.468	N/A 0.531	N/A 0.625	N/A 0.703
L (± .010)	N/A 0.625	N/A 0.688	N/A 0.750	N/A 0.875	N/A 1.000
D -.000 +.010	N/A 0.281	N/A 0.344	N/A 0.406	N/A 0.469	N/A 0.531
S +.000 -.010	N/A 0.320	N/A 0.360	N/A 0.420	N/A 0.470	N/A 0.540
T ± .005	N/A 0.125	N/A 0.125	N/A 0.156	N/A 0.188	N/A 0.219
W +.000 -.003	N/A 0.528	N/A 0.590	N/A 0.684	N/A 0.778	N/A 0.872
Install Hole Diameter	N/A 0.535-0.531	N/A 0.599-0.594	N/A 0.693-0.688	N/A 0.788-0.781	N/A 0.882-0.875
Axial Tensile Strength (LBS. MIN)	N/A 7200	N/A 11400	N/A 17000	N/A 23000	N/A 30700
Approx. Weight (LBS/100)	N/A 1.500	N/A 2.000	N/A 3.000	N/A 5.100	N/A 8.200
Thread	N/A 0.2500-28 UNJF-3B	N/A 0.3125-24 UNJF-3B	N/A 0.3750-24 UNJF-3B	N/A 0.4375-20 UNJF-3B	N/A 0.5000-20 UNJF-3B