Product Details | SOCKET HEAD CAP SCREW

5305-01-185-2204 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Part Alternates: MS1699759L, MS16997-59L, FFS86, FF-S-86, 5305-01-185-2204, 01-185-2204, 5305011852204, 011852204

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 26-JUL-84 01-185-2204

Drawings & Photos | NSN 5305-01-185-2204


Demand History | NSN 5305-01-185-2204

Part Number Request Date QTY Origin
FFS86 2022-05-143 40 United States
FFS86 2021-12-347 40 US
FFS86 2013-08-229 80 Canada
FFS86 2012-03-74 2 US
FFS86 2011-08-222 50 US
FFS86 2011-08-214 50 US
FFS86 2011-03-61 8 US
FFS86 2011-03-60 5000 US

Cross Reference | NSN 5305-01-185-2204

Part Number Cage Code Manufacturer
112157071 PIECE 15 07309 ROLLS-ROYCE MARINE NORTH AMERICA INC.
NAS1352-4LL10P 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-185-2204

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.494 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
FASTENER LENGTH 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH 130000 POUNDS PER SQUARE INCH
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
LOCKING FEATURE STRIP OR PATCH OR PELLET THREADS
NONDEFINITIVE SPEC/STD DATA 6 TYPE
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FF-S-86
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS16997-59L

Restrictions/Controls & Freight Information | NSN 5305-01-185-2204

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
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