Product Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-643-6171 An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Part Alternates: P114071FS2.000SS12 , P114071FS2000SS12, PL92784ITEM078, 5305-01-643-6171, 01-643-6171, 5305016436171, 016436171

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 2015098 01-643-6171

Demand History | NSN 5305-01-643-6171

Part Number Request Date QTY Origin
5305-01-643-6171 2015-06-165 59 DIBBS

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Technical Data | NSN 5305-01-643-6171

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.240 INCHES MINIMUM AND
FASTENER LENGTH 2.000 INCHES NOMINAL
MATERIAL STEEL COMP 302 AND
SURFACE TREATMENT PASSIVATE OVERALL
HEAD STYLE FILLISTER
HEAD DIAMETER 0.389 INCHES MINIMUM AND
HEAD HEIGHT 0.207 INCHES MINIMUM AND
INTERNAL DRIVE STYLE SLOT
POINT STYLE CONE
POINT LENGTH 0.86 INCHES NOMINAL
POINT CHAMFER ANGLE 82.0 DEGREES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
SPECIAL FEATURES PREFIX "P" TO PART NUMBER REFERS TO "LEAD POINT"
III PART NAME ASSIGNED BY CONTROLLING AGENCY FILLISTER HEAD CAPTIVE SCREW

Restrictions/Controls & Freight Information | NSN 5305-01-643-6171

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 5305-01-643-6171

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
Purchasing QTY
UOM
1
EA : Each