Product Details | MACHINE SCREW

5305-01-178-5665 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.

Part Alternates: NAS530011, NAS5300-11, 5305-01-178-5665, 01-178-5665, 5305011785665, 011785665

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 07 MAY 1984 01-178-5665

Drawings & Photos | NSN 5305-01-178-5665


Cross Reference | NSN 5305-01-178-5665

Part Number Cage Code Manufacturer
NAS5300-11 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-178-5665

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.112 INCHES
THREAD QUANTITY PER INCH 40
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.688 INCHES NOMINAL
FASTENER LENGTH 0.688 INCHES NOMINAL
SCREW MATERIAL STEEL
SCREW SURFACE TREATMENT CADMIUM
HEAD STYLE A38 FLAT CHAMFER
HEAD DIAMETER 0.178 INCHES MINIMUM AND 0.183 INCHES MAXIMUM
HEAD HEIGHT 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM
INTERNAL DRIVE STYLE B14 TRI-WING RECESS
SPECIFICATION/STANDARD DATA 80205-NAS5300 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Restrictions/Controls & Freight Information | NSN 5305-01-178-5665

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