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MS21043-4 Mil-Spec Self Locking Reduced Hex Nut

800 Deg. F Reduced height, Ring base

Military Standard Self Locking Nuts are available in several sizes and types

Requirements of MS21043-4 include:

  1. MATERIAL of MS21043-4: Corrosion and Heat Resistant Steel
  2. PLATING of MS21043-4: Silver Plate all Threaded Surfaces on  Nut per AMS 2410. Threads shall show complete coverage. Silver Plating on all Other Surfaces Optional. Tarnishing or Discoloration of Silver not Cause for Rejection.
  3. LUBRICANTS: Lubricant for Silver Plated Nuts shall be Soluble in Cleaner Specified.

OTHER STANDARDS: MS14145, MS14164, MS14182, MS14222, MS14491, MS16228, MS17829, MS17830, MS21042, MS21043, MS21044, MS21045, MS21046, MS21083, MS21084, MS21085, MS21133, MS21224, MS21225, MS21245, NAS1291, NAS577, NAS578: MS21043 MS21043

MS21043-4 Self-Locking Nut

SPS Greer Stop Nut SPS Technologies Acme Industrial Kato Fastening Systems Maclean Esna Alcoa Company Monodnock Company Nafco Industries Republic Fastener Mfg
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Aircraft Fasteners is a stocking distributor for MS21043-4. We stock a full range of MS inserts and MS nuts including the MS21043-4.
Please contact Aircraft Fasteners customer service for pricing information, technical support and stock status/lead time for the part number MS21043-4.