"CONSISTS OF TWO POLYUROTHANE RINGS; FOUR STEEL,CORROSION RESISTING INSERTS; FOUR NICKEL-COPPER SCREW,SCH CAP; FOUR NICKEL-COPPER FLAT WASHERS; 2.500 IN. OVERALL W; 5.620 IN. FIRST STEP DIA"
Product Specifications:
Part Number
4491241-A-81
FSG With Name
20 - Ship and Marine Equipment
FSC
2040
MFG Name
NAVAL SHIP ENGINEERING CENTER PHILADELPHIA DIVISION SUBMARINE ANTENNA QUALITY ASSURANCE