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3a
0.281in. ⁓9/32"
0.847in. ⁓55/64"
hexagon
apache attack helicopter
0.250in. ⁓1/4"
28
3500 pounds per square inch
4300 pounds per square inch
screw, captive
material screw alloy steel 8740, per ams 6322 or equivalent, sleeve cres 304, per AMS-QQ-S-763; heat treatment screw harness rc 38-41, sleeve none; finish screw cadmium plate per ams QQ-P-416, type ii, class 2, sleeve cadmium plate per AMS-QQ-P-416, type ii, class 2; thread per MIL-S-8879; driver size 0.250 inch; shoulder 0.193 dia porm 0.003; head 0.475 inch dia; head cross 0.168, width 0.281, hex 0.181 inch; grip thickness 0.188-0.250 inch
unjf
Unjf
28
Hexagon
0.281 inches
3a
FSC 5305 ⁓ Screws
Used on apache attack helicopter. unjf thread series material screw alloy steel 8740, per ams 6322 or equivalent, sleeve cres 304, per ams-qq-s-763; heat treatment screw harness rc 38-41, sleeve none; finish screw cadmium plate per ams qq-p-416, type ii, class 2, sleeve cadmium plate per ams-qq-p-416, type ii, class 2; thread per mil-s-8879; driver size 0.250 inch; shoulder 0.193 dia porm 0.003; head 0.475 inch dia; head cross 0.168, width 0.281, hex 0.181 inch; grip thickness 0.188-0.250 inch screw, captive 28 thread quantity per inch hexagon head style 0.281" thread length 3a thread class
Nothing similar to this part number was found in our inventory
A headed, threaded fastening device with special square threads, which is designed to be attached to a panel by means of a retaining washer. the screw fastener is used in conjunction with a speed nut to facilitate fastening two items.