Product 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.

Part Alternates: MS3529159, MS35291-59, BB58S610809PC11, BB58S61-0809PC11, CSA75 3-8X7-8, CSA7538X78, ENA18PC44, ENA301PC23, ENA30-1PC23, FFS85, FF-S-85, FSBA19PC30, FSBA28PC21, G20580232, G205802-32, GNA18PC44, GNA271PC7, GNA27-1PC7, GNBA18PC44, GSBA26PC2, GSBC17PC9, PC449S410175PC2, PC449S41-0175PC2, YF257S41011PC14, YF257S41-011PC14, YF257S41033PC44, YF257S41-033PC44, YF257S41070PC23, YF257S41-070PC23, YT143S410110PC3, YT143S41-0110PC3, YT143S410178PC2, YT143S41-0178PC2, YT144S41047PC25, YT144S41-047PC25, YT154S410363PC3, YT154S41-0363PC3, YT154S410424PC2, YT154S41-0424PC2, 122126, 82213S41177PC25, 82213S41-177PC25, 82214S41162PC30, 82214S41-162PC30, 82214S41182PC21, 82214S41-182PC21, 82217S410543458, 82217S4105-43458, 82218S41192PC66, 82218S41-192PC66, 82218S41264PC35, 82218S41-264PC35, 82219S41158PC44, 82219S41-158PC44, 82219S41176PC2, 82219S41-176PC2, 82219S41195PC41, 82219S41-195PC41, 5305-00-637-4037, 00-637-4037, 5305006374037, 006374037

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-637-4037

Drawings & Photos | NSN 5305-00-637-4037


Demand History | NSN 5305-00-637-4037

Part Number Request Date QTY Origin
FFS85 2013-01-11 473 US
FFS85 2011-10-280 95 United States
FFS85 2011-09-265 14 US
FFS85 2010-03-84 100 US
FFS85 2010-02-43 10 United States
FFS85 2009-09-272 50 US

Cross Reference | NSN 5305-00-637-4037

Part Number Cage Code Manufacturer
122126 21450 ARMY WEAPONS COMMAND ATTN AMSWE-REE-S
122126 24617 GENERAL MOTORS CORP
122126 72582 MTU AMERICA INC.
122126 7X677 GENERAL MOTORS LLC DBA GENERAL MOTORS
82213S41-177PC25 80064 NAVAL SHIP SYSTEMS COMMAND
82214S41-162PC30 80064 NAVAL SHIP SYSTEMS COMMAND
82214S41-182PC21 80064 NAVAL SHIP SYSTEMS COMMAND
82217S4105-43458 80064 NAVAL SHIP SYSTEMS COMMAND
82218S41-192PC66 80064 NAVAL SHIP SYSTEMS COMMAND
82218S41-264PC35 80064 NAVAL SHIP SYSTEMS COMMAND
82219S41-158PC44 80064 NAVAL SHIP SYSTEMS COMMAND
82219S41-176PC2 80064 NAVAL SHIP SYSTEMS COMMAND
82219S41-195PC41 80064 NAVAL SHIP SYSTEMS COMMAND
BB58S61-0809PC11 80064 NAVAL SHIP SYSTEMS COMMAND
CSA75 3-8X7-8 88080 COOPER CAMERON CORP COOPER BESSEMER
ENA18PC44 88080 COOPER CAMERON CORP COOPER BESSEMER
ENA30-1PC23 88080 COOPER CAMERON CORP COOPER BESSEMER
FF-S-85 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
FSBA19PC30 88080 COOPER CAMERON CORP COOPER BESSEMER
FSBA28PC21 88080 COOPER CAMERON CORP COOPER BESSEMER
G205802-32 64959 AMERICAN TELEPHONE AND TELEGRAPH CO
G205802-32 70408 AT AND T CORP
GNA18PC44 88080 COOPER CAMERON CORP COOPER BESSEMER
GNA27-1PC7 88080 COOPER CAMERON CORP COOPER BESSEMER
GNBA18PC44 88080 COOPER CAMERON CORP COOPER BESSEMER
GSBA26PC2 88080 COOPER CAMERON CORP COOPER BESSEMER
GSBC17PC9 88080 COOPER CAMERON CORP COOPER BESSEMER
MS35291-59 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
PC449S41-0175PC2 80064 NAVAL SHIP SYSTEMS COMMAND
YF257S41-011PC14 80064 NAVAL SHIP SYSTEMS COMMAND
YF257S41-033PC44 80064 NAVAL SHIP SYSTEMS COMMAND
YF257S41-070PC23 80064 NAVAL SHIP SYSTEMS COMMAND
YT143S41-0110PC3 80064 NAVAL SHIP SYSTEMS COMMAND
YT143S41-0178PC2 80064 NAVAL SHIP SYSTEMS COMMAND
YT144S41-047PC25 80064 NAVAL SHIP SYSTEMS COMMAND
YT154S41-0363PC3 80064 NAVAL SHIP SYSTEMS COMMAND
YT154S41-0424PC2 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 5305-00-637-4037

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.375 INCHES
THREAD QUANTITY PER INCH 16
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.875 INCHES MAXIMUM
FASTENER LENGTH 0.875 INCHES NOMINAL
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM OR ZINC OVERALL
HARDNESS RATING 100.0 ROCKWELL B MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 69000 POUNDS PER SQUARE INCH
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FF-S-85

Restrictions/Controls & Freight Information | NSN 5305-00-637-4037

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information