20 each 1/2”-20 Aeronautical Standards AN121556 Castellated Hex Nuts in new surplus condition.

Technical Characteristics    AN121556

THREAD CLASS

3B

THREAD DIRECTION

RIGHT-HAND

NUT STYLE

SLOTTED, HEXAGON

NUT HEIGHT

0.562 INCHES NOMINAL

WIDTH ACROSS FLATS

0.738 INCHES MIN AND 0.752 MAX

THREAD SERIES

UNF

THREAD QUANTITY PER INCH

20

NOMINAL THREAD SIZE

0.500 INCHES

BEARING SURFACE TYPE

CHAMFERED OR WASHER FACED

BEARING SURFACE FINISH

125.0 MICROINCHES

MATERIAL

STEEL OVERALL

SURFACE TREATMENT

CADMIUM OVERALL


Even though it is in new surplus condition, there is no guarantee or warrantee expressed or implied. Buyer to determine if it will work for their application.

Please Note: Shipping Charges are non-refundable. Items are subject to a 20% restocking fee, on a case to case basis. If you purchase more than one item please wait for an updated invoice with adjusted shipping charges.

Thank You