National Engineered Fasteners is a distributor of Military Spec, aircraft & aerospace washers. Types include spring washers, flat washers, lock washers, and specialty washers. Spring washers include one, two, three & four wave washers & belleville washers. Materials include stainless steel, aluminum, beryllium, brass, copper, Delrin®, fiber, high carbon steel, lead, mica, Monel®, Mylar®, neoprene, nylon, phenolic, phosphor bronze, steel & PTFE. Industries mil washers are served to include military, aerospace, defense, mechanical, original equipment manufacturers, petro-chemical, power generation & mass transit. All mil washers are dfar compliant. 

• AN960

  AN970, AIR FORCE/NAVY AERONAUTICAL STANDARD WASHER, FLAT (4 DEC 1984) (S/S BY NASM970
  

   

• AN970

  AN970, AIR FORCE/NAVY AERONAUTICAL STANDARD WASHER, FLAT (4 DEC 1984) (S/S BY NASM970
  

   

• MS14151

  MS14151, MILITARY STANDARD: WASHER, FLAT, ROUND, CORROSION RESISTING STEEL (FOR ELECTRICAL APPLICATIONS) (10 JUL 1973) [S/S BY NASM14151]
  

   

• MS15795

  MS15795G, MILITARY STANDARD WASHER, FLAT METAL, ROUND, GENERAL PURPOSE (10 JUL 1986) (S/S BY NASM15795)
  

   

• MS16212

  MS16212B, MILITARY STANDARD WASHERS, FLAT, METAL, ROUND, MEDIUM SERIES, NONMAGNETIC (8 MAR 1967)
  

   

• MS27183

  MS27183J, MILITARY SPECIFICATION SHEET WASHER, FLAT (ROUND, STEEL, CADMIUM PLATED) GENERAL PURPOSE (11 MAR 1996)
  

   

• MS51496

  MS51496B, MILITARY STANDARD: WASHER, FLAT-NARROW SERIES (07 OCT 1986)
  

   

• MS51859

  MS51859C, MILITARY SPECIFICATION SHEET, WASHER, FLAT-PLASTIC (NYLON) (31 OCT 2007)
  

   

• NAS1149

  WASHER, FLAT
  

   

• NAS1515

  WASHER - PLASTIC AND SYNTHETIC RUBBER
  

   

• NAS549

  WASHER, NONMETALLIC - INSULATING, ELECTRICAL
  

   

• NAS620

  WASHER, FLAT, REDUCED OUTSIDE DIAMETER

• AN936

  AN936, AIR FORCE-NAVY AERONAUTICAL STANDARD WASHER, TOOTH LOCK (28 SEPT 1970)
  

   

• MS16213

  WASHERS, LOCK, FLAT, EXTERNAL TOOTH, NONMAGNETIC INACTIVE FOR NEW DESIGN AFTER 02/03/00
  

   

• MS19070

  MS19070A, MILITARY STANDARD, WASHER, KEY RETAINING, BALL AND ROLLER BEARING, REGULAR SERIES (7 OCT 1987)
  

   

• MS35333

  MS35333K, MILITARY SPECIFICATION SHEET WASHER, LOCK, FLAT-INTERNAL TOOTH (13 DEC 1993) [S/S BY NASM35333]
  

   

• MS35335

  MS35335G, MS SPECIFICATION SHEET WASHER, LOCK, FLAT-EXTERNAL TOOTH (2 FEB 2004)
  

   

• MS35336

  MS35336D, MILITARY STANDARD, WASHER, LOCK COUNTERSUNK, 80 DEG. 82 DEG., EXTERNAL TOOTH (IN/MM) (30 MAR 1970)
  

   

• MS35338

  MS35338L, MILITARY SPECIFICATION SHEET WASHER, LOCK-SPRING, HELICAL, REGULAR (MEDIUM) SERIES (S/S BY NASM35338) (7 APR 1994)
  

   

• NAS1676

  WASHER, LOCK-SPRING, HELICAL, HI-COLLAR
  

   

• NAS513

  WASHER - ROD END LOCKING.

• AN975

  AN975, AIR FORCE-NAVY AERONAUTICAL STANDARD, WASHER - TAPER PIN (29 DEC 1972)
  

   

• MS14155

  WASHER, RECESSED COUNTERSUNK TWO SURFACES, FOR USE WITH WHEEL BOLTS AND NUTS UP TO AND INCLUDING 180 KSI FTU CNCL S/S BY NASM14155
  

   

• MS14183

  WASHER, COUNTERSUNK AND PLAIN, FOR USE WITH BOLTS AND NUTS UP TO AND INCLUDING 220 KSI FTU CNCL S/S BY NASM14183
  

   

• MS20002

  MS20002E, MILITARY STANDARD: WASHER, COUNTERSUNK AND PLAIN, HIGH STRENGTH (29 DEC 1972) [S/S BY NASM20002]
  

   

• MS21206

  WASHER, COUNTERSUNK AND PLAIN, FOR USE WITH BOLTS AND NUTS UP TO AND INCLUDING 220 KSI FTU MFTU INACTIVE FOR NEW DESIGN NO S/S
  

   

• MS21258

  MS21258A, MILITARY SPECIFICATION, WASHER, KEY, RETAINING, WHEEL BEARING (28 DEC 1984) [S/S BY NASM21258]
  

   

• MS21299

  MS21299A, MILITARY SPECIFICATION SHEET, WASHER, COUNTERSUNK AND PLAIN, FOR USE WITH BOLTS AND NUTS UP TO AND INCLUDING 260 KSI FTU (30 SEP 1994) [S/S BY NASM21299]
  

   

• MS25440

  WASHER, FOR US WITH AIRCRAFT ALUMINUM TERMINALS CNCL S/S BY NASM25440