Product Details | SOCKET HEAD CAP SCREW

5305-01-556-0123 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: 91251A344, 5305-01-556-0123, 01-556-0123, 5305015560123, 015560123

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 20 SEP 2007 01-556-0123

Drawings & Photos | NSN 5305-01-556-0123


Demand History | NSN 5305-01-556-0123

Part Number Request Date QTY Origin
10F62KCS 2025-03-84 323 DIBBS
91251A344 2025-03-84 323 DIBBS
10F62KCS 2025-02-54 59 DIBBS
91251A344 2025-02-54 59 DIBBS
10F62KCS 2025-02-41 50 DIBBS
91251A344 2025-02-41 50 DIBBS
5305-01-556-0123 2024-03-86 1 United States
10F62KCS 2023-05-138 4 DIBBS
91251A344 2023-05-138 4 DIBBS
10F62KCS 2022-10-283 6 DIBBS
10F62KCS 2022-10-283 13 DIBBS
91251A344 2022-10-283 6 DIBBS
91251A344 2022-10-283 13 DIBBS
91251A344 2022-06-172 100 DIBBS
91251A344 2021-06-179 1 DIBBS
91251A344 2021-06-159 100 DIBBS
91251A344 2021-06-159 200 DIBBS
91251A344 2021-05-138 1 DIBBS
91251A344 2020-05-148 120 DIBBS
91251A344 2019-06-177 90 DIBBS
5305-01-556-0123 2016-12-341 750 DIBBS
5305-01-556-0123 2016-11-308 250 DIBBS
5305-01-556-0123 2016-06-159 200 DIBBS
5305-01-556-0123 2015-10-300 200 DIBBS
5305-01-556-0123 2015-02-41 500 DIBBS
5305-01-556-0123 2014-08-223 8 DIBBS
5305-01-556-0123 2014-08-216 500 DIBBS
91251A344 2012-05-143 15 United States

Cross Reference | NSN 5305-01-556-0123

Part Number Cage Code Manufacturer
91251A344 2V507 MCMASTER-CARR SUPPLY COMPANY

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Technical Data | NSN 5305-01-556-0123

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.190 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.625 INCHES NOMINAL
FASTENER LENGTH 0.625 INCHES NOMINAL
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT OXIDE OVERALL
COLOR BLACK OVERALL
HARDNESS RATING 37.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 170000 POUNDS PER SQUARE INCH
HEAD STYLE C117 CHAMFER FLANGE
SPECIAL FEATURES BLACK OXIDE STEEL OFFERS MILD RUST RESISTANCE AND HAS SOME LUBRICATION QUALITIES; ITEM IS FULLY THREADED
III END ITEM IDENTIFICATION AN/BLQ10 A (V) 1 SYSTEM; AN/BLQ10 A (V) 1 SSN774 SYSTEM
III PART NAME ASSIGNED BY CONTROLLING AGENCY SOCKET HEAD CAP SCREW

Restrictions/Controls & Freight Information | NSN 5305-01-556-0123

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 096640 SCREWS, IRON OR STEEL
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 713 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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 5305-01-556-0123

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