Product Details | SOCKET HEAD CAP SCREW

5305-01-277-4989 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: 12360276, 200976C24, 20097-6C-24, 5305-01-277-4989, 01-277-4989, 5305012774989, 012774989

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 22 APR 1988 01-277-4989

Drawings & Photos | NSN 5305-01-277-4989


Demand History | NSN 5305-01-277-4989

Part Number Request Date QTY Origin
200976C24 2020-02-51 6 US

Cross Reference | NSN 5305-01-277-4989

Part Number Cage Code Manufacturer
12360276 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
20097-6C-24 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION

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Technical Data | NSN 5305-01-277-4989

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.375 INCHES
THREAD QUANTITY PER INCH 16
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.375 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
FASTENER LENGTH 1.500 INCHES NOMINAL
MATERIAL STEEL OVERALL
SURFACE TREATMENT OXIDE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-C-13924 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
COLOR BLACK OVERALL
HARDNESS RATING 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 190000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH 170000 POUNDS PER SQUARE INCH
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.560 INCHES NOMINAL
HEAD HEIGHT 0.380 INCHES NOMINAL
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.310 INCHES NOMINAL
SPECIAL FEATURES STRAIGHT KNURL TO CHAMFER; CHAMFER DIAMOND KNURL

Restrictions/Controls & Freight Information | NSN 5305-01-277-4989

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: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