Product Details | SOCKET HEAD CAP SCREW

5305-01-021-9898 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: 1206603509FNDPWYA74, 120-6603509FNDPWY-A74, 4594439PC26, 49M6833PC26, 49M68-33PC26, 60166662A, 60-16-6662A, 5305-01-021-9898, 01-021-9898, 5305010219898, 010219898

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 24 MAY 1976 01-021-9898

Drawings & Photos | NSN 5305-01-021-9898


Demand History | NSN 5305-01-021-9898

Part Number Request Date QTY Origin
5305-01-021-9898 2019-01-27 1255 DIBBS
5305-01-021-9898 2018-09-252 205 DIBBS
5305-01-021-9898 2014-07-211 266 DIBBS
5305-01-021-9898 2010-12-342 13 DIBBS
5305-01-021-9898 2010-10-288 13 DIBBS
5305-01-021-9898 2010-01-20 170 DIBBS
5305-01-021-9898 2010-01-20 119 DIBBS
5305-01-021-9898 2009-08-243 220 DIBBS
5305-01-021-9898 2009-07-189 150 DIBBS
5305-01-021-9898 2009-05-151 68 DIBBS
5305-01-021-9898 2008-11-331 77 DIBBS
5305-01-021-9898 2008-11-317 37 DIBBS
5305-01-021-9898 2008-09-256 40 DIBBS
5305-01-021-9898 2008-09-248 13 DIBBS
5305-01-021-9898 2008-06-155 19 DIBBS

Cross Reference | NSN 5305-01-021-9898

Part Number Cage Code Manufacturer
120-6603509FNDPWY-A74 53711 NAVAL SEA SYSTEMS COMMAND
4594439PC26 80064 NAVAL SHIP SYSTEMS COMMAND
49M68-33PC26 96169 ELECTRIC BOAT CORPORATION
60-16-6662A 96169 ELECTRIC BOAT CORPORATION

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Technical Data | NSN 5305-01-021-9898

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.500 INCHES NOMINAL
FASTENER LENGTH 0.500 INCHES NOMINAL
MATERIAL NICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL
HEAD STYLE C50 FLAT COUNTERSUNK
HEAD DIAMETER 0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
COUNTERSINK ANGLE 82.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.156 INCHES NOMINAL
LOCKING FEATURE PATCH OR STRIP OR PELLET THREADS

Restrictions/Controls & Freight Information | NSN 5305-01-021-9898

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 573 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
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

Management | NSN 5305-01-021-9898

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