- Nut definition
- Body envelope, weight estimate, thread design and engagement.
- Mating screw
- Screw material, thread form, alignment and specified backlash.
- Load & lubrication
- Adjustment loads, cycle, lubricant and actual part temperature.
- Machining plan
- Stock allowance, datums, thread-machining responsibility and inspection.
- Material & acceptance
- Specified alloy and standard, supply condition, drawing revision, quantity, inspection criteria and required records.
- Supply form
- Block or cylindrical casting blank with agreed premachining; finished threads specified separately.