Product Details | SOCKET HEAD CAP SCREW

5305-01-270-5450 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: MS1699763L, MS16997-63L, FFS86, FF-S-86, 5305-01-270-5450, 01-270-5450, 5305012705450, 012705450

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01-270-5450

Drawings & Photos | NSN 5305-01-270-5450


Demand History | NSN 5305-01-270-5450

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 5305-01-270-5450

Part Number Cage Code Manufacturer
119436 79938 EMERSON ELECTRIC CO U S ELECTRICAL MOTORS DIV
20097L4C20D 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
LK1352-4LE20P 26304 TORKON FASTENER CORP
NAS1352-4LE20P 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-270-5450

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 1.110 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
FASTENER LENGTH 1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
MATERIAL PLASTIC LOCKING FEATURE STEEL FASTENER
SURFACE TREATMENT CADMIUM AND CHROMATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
HARDNESS RATING 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM FASTENER
MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH 150000 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 0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
LOCKING FEATURE PATCH OR STRIP 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 MS16997-63L

Restrictions/Controls & Freight Information | NSN 5305-01-270-5450

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
Category Code Description
No Freight Information