National Item Identification Number
01-249-0447
012490447
5305-01-249-0447
5305012490447
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)
53711
43689
43689
Reference Numbers (Part Numbers)
FF-S-200B TY I STY 1
QQ-N-281D CL B GR 400
400-5530886 ITEM 47
6750-607 ITEM
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.250 INCHES
20
3A
RIGHT-HAND
0.312 INCHES NOMINAL
NICKEL ALLOY 400 OV