STANCHION,FLIGHT STAIR LADDER STANCHION,FLIGHT STAIR LADDER NSN: 1560-00-116-4218 P/N: 4F21480-101A IWE is not a part locator service. We stock aircraft and military parts, no minimum buy. Quantity in stock: 1 NSN P/N Your Name(required) Email(valid email required) Phone Number Company(required) Quantity(required) Message