Product Details | SOCKET HEAD CAP SCREW

5305-01-084-5397 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: MS1699842L, MS16998-42L, FFS86, FF-S-86, 5305-01-084-5397, 01-084-5397, 5305010845397, 010845397

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01-084-5397

Drawings & Photos | NSN 5305-01-084-5397


Demand History | NSN 5305-01-084-5397

Part Number Request Date QTY Origin
5305-01-084-5397 2025-10-287 220 United States
5305-01-084-5397 2025-10-287 220 United States
FFS86 2022-05-143 40 United States
FFS86 2021-12-347 40 US
5305-01-084-5397 2017-08-223 10 US
FFS86 2013-08-229 80 Canada
MS1699842L 2013-07-184 100 UK
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
5305-01-084-5397 2009-03-69 1000 US

Cross Reference | NSN 5305-01-084-5397

Part Number Cage Code Manufacturer
FF-S-86 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
NAS1351-4-60P D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
NAS1351-4LE10P 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-084-5397

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.523 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
FASTENER LENGTH 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
MATERIAL PLASTIC LOCKING FEATURE STEEL FASTENER
SURFACE TREATMENT CADMIUM AND CHROMATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
HARDNESS RATING 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 170000 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 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
LOCKING FEATURE PATCH OR STRIP THREADS
NONDEFINITIVE SPEC/STD DATA 6 TYPE
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FF-S-86
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS16998-42L

Restrictions/Controls & Freight Information | NSN 5305-01-084-5397

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