Product Details | SOCKET HEAD CAP SCREW

5305-01-121-3410 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: NAS60846P, NAS608-4-6P, 5305-01-121-3410, 01-121-3410, 5305011213410, 011213410

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 05 NOV 1981 01-121-3410

Drawings & Photos | NSN 5305-01-121-3410


Cross Reference | NSN 5305-01-121-3410

Part Number Cage Code Manufacturer
NAS608-4-6P 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-121-3410

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 0.294 INCHES MINIMUM AND 0.324 INCHES MAXIMUM
FASTENER LENGTH 0.365 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
MATERIAL STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AISI ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TYPE 1 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 75000 POUNDS PER SQUARE INCH
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT 0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5305-01-121-3410

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