Product Details | SOCKET HEAD CAP SCREW

5305-01-521-5503 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: 92185A564, 5305-01-521-5503, 01-521-5503, 5305015215503, 015215503

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 24 JUN 2004 01-521-5503

Drawings & Photos | NSN 5305-01-521-5503


Demand History | NSN 5305-01-521-5503

Part Number Request Date QTY Origin
2-S-25F-100 2024-09-269 2349 DIBBS
92185A564 2024-09-269 2349 DIBBS
2-S-25F-100 2023-12-346 1376 DIBBS
92185A564 2023-12-346 1376 DIBBS
2-S-25F-100 2023-02-59 650 DIBBS
92185A564 2023-02-59 650 DIBBS
2-S-25F-100 2023-01-08 1481 DIBBS
92185A564 2023-01-08 1481 DIBBS
5305-01-521-5503 2021-08-229 634 DIBBS
5305-01-521-5503 2021-08-220 634 DIBBS
5305-01-521-5503 2021-07-192 651 DIBBS
5305-01-521-5503 2021-07-188 950 DIBBS
5305-01-521-5503 2021-06-164 318 DIBBS
5305-01-521-5503 2019-07-202 311 DIBBS
5305-01-521-5503 2017-10-278 248 DIBBS
5305-01-521-5503 2017-08-215 236 DIBBS
5305-01-521-5503 2017-05-144 294 DIBBS
5305-01-521-5503 2017-05-128 364 DIBBS
5305-01-521-5503 2016-12-342 221 DIBBS
5305-01-521-5503 2016-10-278 214 DIBBS
92185A564 2016-04-96 58 US
5305-01-521-5503 2016-03-63 300 DIBBS
5305-01-521-5503 2015-07-210 407 DIBBS
5305-01-521-5503 2009-08-233 100 DIBBS
5305-01-521-5503 2008-09-269 200 DIBBS

Cross Reference | NSN 5305-01-521-5503

Part Number Cage Code Manufacturer
92185A564 39428 MCMASTER-CARR SUPPLY COMPANY

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Technical Data | NSN 5305-01-521-5503

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.000 INCHES NOMINAL
FASTENER LENGTH 1.000 INCHES NOMINAL
MATERIAL STEEL COMP 316 OVERALL
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.375 INCHES NOMINAL
HEAD HEIGHT 0.250 INCHES NOMINAL
INTERNAL DRIVE STYLE D1 CROSS RECESS TYPE 1
WIDTH ACROSS FLATS 0.187 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5305-01-521-5503

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 095190 HARDWARE, NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 713 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 5305-01-521-5503

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