Details
F42NE-048 is an ESNA self-locking hex nut with a red nylon insert, 1/4-28 thread, in the regular height hex pattern. It is the manufacturer part number for AN365-428, the elastic stop nut used throughout WWII and post-war airframes, engine accessories, and instrument installations wherever a reusable vibration resistant nut is called out.
Part Number: F42NE-048
Type: Nut, Self-Locking, Hexagon, Nylon Insert, Regular Height Hex
Thread: 1/4-28 (0.2500-28 UNJF-3B)
Size Range: fractional inch sizes
Manufacturer: Elastic Stop Nut Corporation of America (ESNA), CAGE 72962
Material and Finish: Grade 5 steel, cadmium plate, Type II post-plate treatment
Locking Insert: Red nylon, 350 F maximum
Min Ultimate Tensile: 4,580 lb
Specifications: Threads per AS8879 or MIL-S-7742 | Locking torque per NASM25027
Cross Reference: AN365-428 | AN365-428A | MS20365-428 | MS20365-428A | NAS1021N4 | MS21044N4
Photos are for reference only.
Warranty Information
