Product Details | MACHINE SCREW

5305-01-646-9670 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: 17005SS12APAT, 17005-SS-12A-PAT , 5305-01-646-9670, 01-646-9670, 5305016469670, 016469670

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 2015218 01-646-9670

Demand History | NSN 5305-01-646-9670

Part Number Request Date QTY Origin
17005-SS-12A-PAT 2025-03-83 103 DIBBS
17005-SS-12A-PAT 2025-03-70 103 DIBBS
5305-01-646-9670 2015-12-345 61 DIBBS
5305-01-646-9670 2015-09-263 61 DIBBS

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Technical Data | NSN 5305-01-646-9670

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.164 INCHES
THREAD QUANTITY PER INCH 32
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.188 INCHES NOMINAL
FASTENER LENGTH 0.532 INCHES NOMINAL
SCREW MATERIAL STEEL CORROSION RESISTING
HEAD STYLE FLAT COUNTERSUNK
HEAD HEIGHT 0.156 INCHES NOMINAL
CHAMFER ANGLE 45.0 DEGREES NOMINAL
CHAMFER LENGTH 0.031 DEGREES NOMINAL
INTERNAL DRIVE STYLE SLOT
III PART NAME ASSIGNED BY CONTROLLING AGENCY SCREW,SHOULDER,LOCKING

Restrictions/Controls & Freight Information | NSN 5305-01-646-9670

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.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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
No Freight Information

Management | NSN 5305-01-646-9670

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative