Product Details | HEXAGON HEAD CAP SCREW

5305-01-023-2437 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: MS90726275, MS90726-275, FFS85, FF-S-85, 5305-01-023-2437, 01-023-2437, 5305010232437, 010232437

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 13 JUN 1976 01-023-2437

Drawings & Photos | NSN 5305-01-023-2437


Demand History | NSN 5305-01-023-2437

Part Number Request Date QTY Origin
FFS85 2013-01-11 473 US
FFS85 2011-10-07 95 United States
FFS85 2011-09-22 14 US
FFS85 2010-03-25 100 US
FFS85 2010-02-12 10 United States
FFS85 2009-09-29 50 US

Cross Reference | NSN 5305-01-023-2437

Part Number Cage Code Manufacturer
FF-S-85 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
MS90726-275 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS90726-275 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5305-01-023-2437

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 1.250 INCHES
THREAD QUANTITY PER INCH 12
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 2.750 INCHES MINIMUM AND 2.958 INCHES MAXIMUM
FASTENER LENGTH 3.312 INCHES MINIMUM AND 3.500 INCHES MAXIMUM
MATERIAL STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1524 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1527 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1033 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1536 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OR STEEL COMP 1541 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 19.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 105000 POUNDS PER SQUARE INCH
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.749 INCHES MINIMUM AND 0.813 INCHES MAXIMUM
WIDTH BETWEEN FLATS 1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM
SURFACE FINISH 63.0 MICROINCHES THREADS
NONDEFINITIVE SPEC/STD DATA 2 TYPE AND 10P STYLE AND 5 GRADE
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FF-S-85

Restrictions/Controls & Freight Information | NSN 5305-01-023-2437

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