Standoff Round - Male #4-40 x 1/4 (OD) x 3/8 (Body Length), Brass (QUANTITY: 500)

Compare to: RAF: 4032-440-B-5 and AMATOM®: 9795-B-0440-4
Round shaped mechanical device which has an opening with a partial internal thread at one end
Has an externally threaded post at the opposite end.
It is used to hold two components at a given distance from each other.
Standoffs are usually chosen over spacers when longer sizes are required