Product Details | SOCKET HEAD CAP SCREW

5305-00-638-1344 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: 3275372, 5305-00-638-1344, 00-638-1344, 5305006381344, 006381344

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1961 00-638-1344

Drawings & Photos | NSN 5305-00-638-1344


Cross Reference | NSN 5305-00-638-1344

Part Number Cage Code Manufacturer
3275372 55380 HATCH & KIRK, INC. DIV HATCH & KIRK INC
3275372 72915 GENERAL MOTORS CORP ELECTRO-MOTIVE DIV

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Technical Data | NSN 5305-00-638-1344

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.375 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.875 INCHES NOMINAL
FASTENER LENGTH 1.250 INCHES NOMINAL
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-16782 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.438 INCHES NOMINAL
HEAD HEIGHT 0.312 INCHES NOMINAL
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.219 INCHES NOMINAL
SPECIAL FEATURES GROOVED 0.106 IN.W,0.310 IN. DIA,1/062 IN. BELOW HEAD TO CENTER OF GROOVE

Restrictions/Controls & Freight Information | NSN 5305-00-638-1344

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
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating U 50
Less than truck load rating W Rating Variable
Water commodity Code 713 unknown
Originating Activity Code XX
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