| FSC APPLICATION DATA | FUEL CONTROL AFTERBURNER |
| FUNCTIONAL DESCRIPTION | BELLOWS SHALL BE MANUFACTURE FROM AMS 5589 OR AMS 5590; AFTER FORMING, THE BELLOWS SHALL BE HEAT TREATED AS FOLLOWS: AGE AT 1325 DEGREES FAHRENHEIT FOR 8 HOURS MINIMUM; FURNACE COOL TO 1150 DEGREES FAHRENHEIT WITHIN 45-75 MINUTES; HOLD AT 1150 DEGREES FAHRENHEIT FOR 8 HOURS MINIMUM; FURNACE COOL GRAIN SIZE ASTM 6 MINUTES |
| GENERAL CHARACTERISTICS ITEM DESCRIPTION | TOTAL SPRING RATE OF MATCHED BELLOWS TO BE 90LBS PER INCH |
| OVERALL DIAMETER | 0.871 INCHES MINIMUM AND 0.873 INCHES MAXIMUM |
| MATERIAL | NICKEL ALLOY |
| SPECIAL FEATURES | MAXIMUM WEIGHT NOT TO EXCEED 30LBS |
| SPECIAL TEST FEATURES | NATURAL FREQUENCY OF BOTH BELLOWS TO BE GREATER THAN 270 HERTZ; MAXIMUM TEMPERATURE: 400 DEGREES FAHRENHEIT |
| SUPPLEMENTARY FEATURES | TOP DIAMETER: .812" MAXIMUM |