NSN 5305-00-637-4037

Part Details | HEXAGON HEAD CAP SCREW

5305-00-637-4037 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: G20580232, G205802-32, 122126, G20580232, G205802-32, GSBC17PC9, GSBA26PC2, GNBA18PC44, GNA271PC7, GNA27-1PC7, GNA18PC44, FSBA28PC21, FSBA19PC30, ENA301PC23, ENA30-1PC23, ENA18PC44, CSA75 38X78, CSA75 3-8X7-8, FFS85, FF-S-85, 122126, 122126, MS3529159, MS35291-59, 122126, YF257S41033PC44, YF257S41-033PC44, YF257S41011PC14, YF257S41-011PC14, PC449S410175PC2, PC449S41-0175PC2, 82219S41195PC41, 82219S41-195PC41, 82219S41176PC2, 82219S41-176PC2, 82219S41158PC44, 82219S41-158PC44, 82218S41264PC35, 82218S41-264PC35, 82218S41192PC66, 82218S41-192PC66, BB58S610809PC11, BB58S61-0809PC11, 82217S410543458, 82217S4105-43458, 82214S41182PC21, 82214S41-182PC21, 82214S41162PC30, 82214S41-162PC30, 82213S41177PC25, 82213S41-177PC25, YT154S410424PC2, YT154S41-0424PC2, YT154S410363PC3, YT154S41-0363PC3, YT144S41047PC25, YT144S41-047PC25, YT143S410178PC2, YT143S41-0178PC2, YT143S410110PC3, YT143S41-0110PC3, YF257S41070PC23, YF257S41-070PC23, 5305-00-637-4037, 00-637-4037, 5305006374037, 006374037

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-637-403718257 ( SCREW, CAP, HEXAGON HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-00-637-4037
Part Number Cage Code Manufacturer
G205802-3264959AMERICAN TELEPHONE AND TELEGRAPH CO
12212621450ARMY WEAPONS COMMANDATTN AMSWE-REE-S
G205802-3270408AT AND T CORP
GSBC17PC988080COOPER CAMERON CORPCOOPER BESSEMER
GSBA26PC288080COOPER CAMERON CORPCOOPER BESSEMER
GNBA18PC4488080COOPER CAMERON CORPCOOPER BESSEMER
GNA27-1PC788080COOPER CAMERON CORPCOOPER BESSEMER
GNA18PC4488080COOPER CAMERON CORPCOOPER BESSEMER
FSBA28PC2188080COOPER CAMERON CORPCOOPER BESSEMER
FSBA19PC3088080COOPER CAMERON CORPCOOPER BESSEMER
ENA30-1PC2388080COOPER CAMERON CORPCOOPER BESSEMER
ENA18PC4488080COOPER CAMERON CORPCOOPER BESSEMER
CSA75 3-8X7-888080COOPER CAMERON CORPCOOPER BESSEMER
FF-S-8581348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
12212624617GENERAL MOTORS CORP
1221267X677GENERAL MOTORS LLCDBA GENERAL MOTORS
MS35291-5996906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
12212672582MTU AMERICA INC.
YF257S41-033PC4480064NAVAL SHIP SYSTEMS COMMAND
YF257S41-011PC1480064NAVAL SHIP SYSTEMS COMMAND
PC449S41-0175PC280064NAVAL SHIP SYSTEMS COMMAND
82219S41-195PC4180064NAVAL SHIP SYSTEMS COMMAND
82219S41-176PC280064NAVAL SHIP SYSTEMS COMMAND
82219S41-158PC4480064NAVAL SHIP SYSTEMS COMMAND
82218S41-264PC3580064NAVAL SHIP SYSTEMS COMMAND
82218S41-192PC6680064NAVAL SHIP SYSTEMS COMMAND
BB58S61-0809PC1180064NAVAL SHIP SYSTEMS COMMAND
82217S4105-4345880064NAVAL SHIP SYSTEMS COMMAND
82214S41-182PC2180064NAVAL SHIP SYSTEMS COMMAND
82214S41-162PC3080064NAVAL SHIP SYSTEMS COMMAND
82213S41-177PC2580064NAVAL SHIP SYSTEMS COMMAND
YT154S41-0424PC280064NAVAL SHIP SYSTEMS COMMAND
YT154S41-0363PC380064NAVAL SHIP SYSTEMS COMMAND
YT144S41-047PC2580064NAVAL SHIP SYSTEMS COMMAND
YT143S41-0178PC280064NAVAL SHIP SYSTEMS COMMAND
YT143S41-0110PC380064NAVAL SHIP SYSTEMS COMMAND
YF257S41-070PC2380064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 5305-00-637-4037
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
THREAD LENGTH0.875 INCHES MAXIMUM
FASTENER LENGTH0.875 INCHES NOMINAL
HEAD STYLE HEXAGON
THREAD DIRECTION RIGHT-HAND
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS2A
MINIMUM TENSILE STRENGTH69000 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