National Item Identification Number
01-289-7828
012897828
5305-01-289-7828
5305012897828
National Stock Number
Item Name
SETSCREW
Federal Supply Class
5305
Description
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.
Commercial and Government Entity Code (Supplier Data)
80204
Reference Numbers (Part Numbers)
FF-S-200
1/4-20UNC-3A X 7/8 IN. LG
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.250 INCHES
20
3A
RIGHT-HAND
0.875 INCHES NOMINAL
NICKEL ALLOY 400 OR