National Item Identification Number
01-084-5397
010845397
5305-01-084-5397
5305010845397
National Stock Number
Item Name
SCREW,CAP,SOCKET HEAD
Federal Supply Class
5305
Referenced on: http://www.tpub.com/content/aviationmaintandmisc/TM-10-4930-351-24P/TM-10-4930-351-24P0135.htm
Referenced on: http://www.tpub.com/content/aviationmaintandmisc/TM-10-4930-351-24P/TM-10-4930-351-24P0279.htm
Referenced on: http://www.tpub.com/content/misc_manuals_3/TM-9-2350-311-24P-2/TM-9-2350-311-24P-20400.htm
Referenced on: http://www.tpub.com/content/misc_manuals_3/TM-9-2350-311-24P-2/TM-9-2350-311-24P-20410.htmDescription
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
Commercial and Government Entity Code (Supplier Data)
NSN (National Stock Number) 5305-01-084-5397, 5305010845397 NIIN (National Identification Number) 01-084-5397, 010845397
Part Numbers (Reference Numbers)
FF-S-86
MS16998-42L
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNF
0.250 INCHES
28
3A
RIGHT-HAND
0.523 INCHES MINIMUM AND
0.625 INCHES MA