NSN 5305-00-012-2181

Part Details | HEXAGON HEAD CAP SCREW

5305-00-012-2181 An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes BOLT,MACHINE; BOLT,EXTERNALLY RELIEVED BODY; BOLT,INTERNAL WRENCHING; and SCREW,CAP,SOCKET HEAD.

Alternate Parts: FFS85, 122181, 122181, 90003753, 900037-53, 90003753, 900037-53, 122181, 5305-00-012-2181, 00-012-2181, 5305000122181, 000122181

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-012-218118257 ( SCREW, CAP, HEXAGON HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-00-012-2181
Part Number Cage Code Manufacturer
FFS8581348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
12218124617GENERAL MOTORS CORP
1221817X677GENERAL MOTORS LLCDBA GENERAL MOTORS
900037-5332537JOY GLOBAL UNDERGROUND MINING, LLCDBA MINING JOY MACHINERY
900037-5383179JOY MFG COAIR POWER GROUP MICHIGAN CITY PLANT
12218172582MTU AMERICA INC.
Technical Data | NSN 5305-00-012-2181
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
THREAD LENGTH1.000 INCHES MINIMUM
FASTENER LENGTH2.000 INCHES NOMINAL
HEAD STYLE HEXAGON
THREAD DIRECTION RIGHT-HAND
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS2A
MINIMUM TENSILE STRENGTH74000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 1 STYLE AND 2 GRADE