Product Details | SOCKET HEAD CAP SCREW

5305-01-522-5161 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: H832165153, H832-1651-53, 0.500-13UNRC-3AX2.250LG STL, 050013UNRC3AX2250LGSTL, 68004225, 68-00-4225, 752706846853, 752-7068468-53, 5305-01-522-5161, 01-522-5161, 5305015225161, 015225161

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 03 AUG 2004 01-522-5161

Drawings & Photos | NSN 5305-01-522-5161


Demand History | NSN 5305-01-522-5161

Part Number Request Date QTY Origin
5305-01-522-5161 2025-09-261 18 DIBBS
5305-01-522-5161 2025-08-225 5 DIBBS
5305-01-522-5161 2025-05-127 6 United States
5305-01-522-5161 2017-05-144 4 DIBBS
5305-01-522-5161 2017-03-72 4 DIBBS
5305-01-522-5161 2017-01-29 6 DIBBS
5305-01-522-5161 2017-01-05 1 DIBBS
5305-01-522-5161 2016-12-363 1 DIBBS
5305-01-522-5161 2015-09-272 23 DIBBS

Cross Reference | NSN 5305-01-522-5161

Part Number Cage Code Manufacturer
0.500-13UNRC-3AX2.250LG STL 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
68-00-4225 96169 ELECTRIC BOAT CORPORATION
752-7068468-53 53711 NAVAL SEA SYSTEMS COMMAND
H832-1651-53 96169 ELECTRIC BOAT CORPORATION

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Technical Data | NSN 5305-01-522-5161

Characteristic Specifications
THREAD SERIES DESIGNATOR UNRC
NOMINAL THREAD DIAMETER 0.500 INCHES
THREAD QUANTITY PER INCH 13
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.500 INCHES NOMINAL
FASTENER LENGTH 2.250 INCHES NOMINAL
MATERIAL STEEL UNS K03104 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD HEIGHT 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.375 INCHES NOMINAL
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE 0.500-13UNRC-3AX2.250LG STL

Restrictions/Controls & Freight Information | NSN 5305-01-522-5161

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 093483 BOLTS,NUTS OR SCREWS,NOI IRON OR
Less than car load rating
Less than truck load rating S 60.0
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 E Engineer supplies, other than those listed under code B.
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 5305-01-522-5161

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each