Product Details | SOCKET HEAD CAP SCREW

5305-01-378-8604 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: NAS1351N644, NAS1351N6-44, 5305-01-378-8604, 01-378-8604, 5305013788604, 013788604

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 23 AUG 1993 01-378-8604

Drawings & Photos | NSN 5305-01-378-8604


Demand History | NSN 5305-01-378-8604

Part Number Request Date QTY Origin
5305-01-378-8604 2024-01-28 257 DIBBS
5305-01-378-8604 2023-10-276 321 DIBBS
5305-01-378-8604 2023-08-234 27 DIBBS
5305-01-378-8604 2023-07-208 18 DIBBS
5305-01-378-8604 2021-07-201 18 United States
5305-01-378-8604 2012-08-240 16 DIBBS
5305-01-378-8604 2012-02-49 8 DIBBS
NAS1351N644 2007-09-255 22 US
NAS1351N644 2006-01-18 10 Canada

Cross Reference | NSN 5305-01-378-8604

Part Number Cage Code Manufacturer
NAS1351N6-44 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-378-8604

Characteristic Specifications
THREAD SERIES DESIGNATOR UNRF
NOMINAL THREAD DIAMETER 0.375 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.250 INCHES MINIMUM
FASTENER LENGTH 2.690 INCHES MINIMUM AND 2.750 INCHES MAXIMUM
MATERIAL IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 33.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
HEAD HEIGHT 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.3125 INCHES MINIMUM AND 0.3160 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA 80205-NAS1531 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Restrictions/Controls & Freight Information | NSN 5305-01-378-8604

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 096640 SCREWS, IRON OR STEEL
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 713 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable