No other part numbers with same form, fit, and function found.
A close-coiled helical extension spring, with ends fastened together to form a circle, designed to impose compression stresses toward the center of the circle thus formed when uniformly expanded.
NSN 5905-01-130-3975
NSN 5990-01-061-5618
NSN 6645-01-029-8528
NSN 6685-01-386-7239
NSN 6110-01-658-4534
NSN 5996-00-208-6023
NSN 6320-01-214-0350
NSN 5925-00-224-6548
NSN 6145-00-043-2452
NSN 6650-01-181-6037
NSN 5950-00-286-3301
NSN 5999-00-112-0511