Product Details | MACHINE SCREW

5305-01-079-7238 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: 3181512, 318151-2, 5305-01-079-7238, 01-079-7238, 5305010797238, 010797238

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 11 JUL 1979 01-079-7238

Drawings & Photos | NSN 5305-01-079-7238


Cross Reference | NSN 5305-01-079-7238

Part Number Cage Code Manufacturer
318151-2 96214 RAYTHEON COMPANY DBA RAYTHEON

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Technical Data | NSN 5305-01-079-7238

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.138 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.345 INCHES MINIMUM AND 1.360 INCHES MAXIMUM
FASTENER LENGTH 1.345 INCHES MINIMUM AND 1.360 INCHES MAXIMUM
SCREW MATERIAL STEEL CORROSION RESISTING
SCREW SURFACE TREATMENT OXIDE
HEAD STYLE A23 PAN
HEAD DIAMETER 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM
INTERNAL DRIVE STYLE B1 CROSS RECESS TYPE 1

Restrictions/Controls & Freight Information | NSN 5305-01-079-7238

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