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National Aerospace Standard NAS1149DN416J Aluminum Washer, Flat
National Aerospace Standard NAS1149DN416J Aluminum Washer, Flat
PART #: SGP140203MFR PART #: NAS1149DN416JOur Price: $0.05 (Each)QTY: Add to Cart -
National Aerospace Standard NAS1149F1432P Carbon Steel Washer, Flat
National Aerospace Standard NAS1149F1432P Carbon Steel Washer, Flat
PART #: SGP140253MFR PART #: NAS1149F1432POur Price: $1.42 (Each)QTY: Add to Cart -
National Aerospace Standard NAS1169C8L Stainless Steel Washer, Finishing
National Aerospace Standard NAS1169C8L Stainless Steel Washer, Finishing
PART #: SGP140308MFR PART #: NAS1169C8LOur Price: $0.64 (Each)QTY: Add to Cart -
National Aerospace Standard NAS513-4 Steel Washer, Key
National Aerospace Standard NAS513-4 Steel Washer, Key
PART #: SGP141872MFR PART #: NAS513-4Our Price: $4.42 (Each)QTY: Add to Cart -
Boeing BACW10BP7PK Crescent Steel Washer, Recessed - 25/Pack
Boeing BACW10BP7PK Crescent Steel Washer, Recessed - 25/Pack
PART #: SGP170012-X25MFR PART #: BACW10BP7PKOur Price: $54.00 (25/Pack)QTY: Add to Cart -
National Aerospace Standard NAS513-8 Steel Washer, Key
National Aerospace Standard NAS513-8 Steel Washer, Key
PART #: SGP141875MFR PART #: NAS513-8Our Price: $26.88 (Each)QTY: Add to Cart -
National Aerospace Standard NAS1169C10L Stainless Steel Washer, Finishing
National Aerospace Standard NAS1169C10L Stainless Steel Washer, Finishing
PART #: SGP140303MFR PART #: NAS1169C10LOur Price: $0.89 (Each)QTY: Add to Cart -
Boeing BACW10BP3NDP Crescent Steel Washer, Recessed - 100/Pack
Boeing BACW10BP3NDP Crescent Steel Washer, Recessed - 100/Pack
PART #: SGP100988-X100MFR PART #: BACW10BP3NDPOur Price: $34.00 (100/Pack)QTY: Add to Cart -
Boeing BACW10BP14PK Crescent Steel Washer, Recessed - 25/Pack
Boeing BACW10BP14PK Crescent Steel Washer, Recessed - 25/Pack
PART #: SGP172435-X25MFR PART #: BACW10BP14PKOur Price: $241.50 (25/Pack)QTY: Add to Cart -
Military Standard MS9276-13 Stainless Steel Washer, Key - 5/Pack
Military Standard MS9276-13 Stainless Steel Washer, Key - 5/Pack
PART #: SGP138739-X5MFR PART #: MS9276-13Our Price: $36.40 (5/Pack)QTY: Add to Cart -
SPS Technologies 62524-10-31.7 Steel Washer Assortment
SPS Technologies 62524-10-31.7 Steel Washer Assortment
PART #: SGP56657MFR PART #: 62524-10-31-7Our Price: $190.56 (Each)QTY: Add to Cart -
Boeing BACW10BP5CK Crescent Steel Washer, Recessed - 25/Pack
Boeing BACW10BP5CK Crescent Steel Washer, Recessed - 25/Pack
PART #: SGP168147-X25MFR PART #: BACW10BP5CKOur Price: $38.50 (25/Pack)QTY: Add to Cart
SkyGeek knows aviation involves managing an assortment of tasks and functions. Certainly pilots and mechanics know this. With so much on their plate it's easy to forget about small parts including thin, round plates. That's right, we're talking about washers—those disk-shaped pieces of hardware.
Washers work by attaching themselves to fasteners such as screws or nuts. They serve as a means of distributing a threaded fastener's load and can also be used as spacers and as a way to curb vibrational forces.
Washers can be organized into types—plain washers, lock washers, and special washers. Plain washers are placed under nuts in order to provide a smooth bearing surface; they also act as a shim for a bolt's thread and its adjacent nut. Whenever castellated or self-locking nuts are not used, lock washers are often employed; they are anti-vibration, i.e. they create enough friction to keep a nut in place. "Special washers" is a term that has a broad scope, meaning it refers to washers designed for special applications. Thus, there is no single special washer but many including ball seat and socket washers—just to name a few.
A washer's material is useful in determining the appropriate one. Generally they come in metal (steel, brass, copper) but can also come in plastic or rubber. When choosing a washer, also consider these variables: thickness, inner diameter, and outer diameter. Because SkyGeek carries a growing inventory of washers that meet or exceed U.S. military specifications, we suggest you click on each series of washer and compare the differences so that you can make the best purchase.