Product Details | HEXAGON HEAD CAP SCREW

5305-01-066-8648 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: MS35308515, MS35308-515, FFS85, 5305-01-066-8648, 01-066-8648, 5305010668648, 010668648

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 20 OCT 1978 01-066-8648

Drawings & Photos | NSN 5305-01-066-8648


Demand History | NSN 5305-01-066-8648

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 5305-01-066-8648

Part Number Cage Code Manufacturer
FFS85 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
MS35308-515 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS35308-515 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5305-01-066-8648

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.875 INCHES
THREAD QUANTITY PER INCH 14
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 2.000 INCHES MINIMUM AND 2.188 INCHES MAXIMUM
FASTENER LENGTH 3.312 INCHES MINIMUM AND 3.500 INCHES MAXIMUM
MATERIAL STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION 66,300 SERIES FED STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC ALL TREATMENT RESPONSES OVERALL
HARDNESS RATING 74.0 ROCKWELL B MINIMUM OVERALL
MINIMUM TENSILE STRENGTH 70000 POUNDS PER SQUARE INCH
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM
WIDTH BETWEEN FLATS 1.285 INCHES MINIMUM AND 1.312 INCHES MAXIMUM
SURFACE FINISH 63.0 MICROINCHES THREADS
NONDEFINITIVE SPEC/STD DATA 2 TYPE AND 10P STYLE
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FFS85

Restrictions/Controls & Freight Information | NSN 5305-01-066-8648

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