Product Details | SOCKET HEAD CAP SCREW

5305-01-274-1256 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: M63CR420165, M63CR420-165, TN33CR040J12PS, 13234155, 38031K4C16, 38031K-4C-16, 5305-01-274-1256, 01-274-1256, 5305012741256, 012741256

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 05 MAR 1988 01-274-1256

Drawings & Photos | NSN 5305-01-274-1256


Demand History | NSN 5305-01-274-1256

Part Number Request Date QTY Origin
5305-01-274-1256 2009-03-89 31 DIBBS
5305-01-274-1256 2008-10-277 31 DIBBS

Cross Reference | NSN 5305-01-274-1256

Part Number Cage Code Manufacturer
13234155 18876 U S ARMY AVIATION AND MISSILE COMMAND
38031K-4C-16 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
M63CR420-165 17910 NYLOK CORPORATION DBA AEROSPACE NYLOK
TN33CR040J12PS 26304 TORKON FASTENER CORP

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Technical Data | NSN 5305-01-274-1256

Characteristic Specifications
THREAD SERIES DESIGNATOR UNRC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.868 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
FASTENER LENGTH 0.968 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
MATERIAL PLASTIC LOCKING FEATURE STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A493 ASSN STD ALL MATERIAL RESPONSES FASTENER
SURFACE TREATMENT PASSIVATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
HARDNESS RATING 80.0 ROCKWELL B MINIMUM FASTENER
MINIMUM TENSILE STRENGTH 80000 POUNDS PER SQUARE INCH
HEAD STYLE B30 BUTTON
HEAD DIAMETER 0.122 INCHES MINIMUM AND 0.132 INCHES MAXIMUM
HEAD HEIGHT 0.419 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.1562 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM
LOCKING FEATURE PELLET THREADS

Restrictions/Controls & Freight Information | NSN 5305-01-274-1256

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 713 unknown
Originating Activity Code KH Defense Industrial Supply Center
Philadelphia, PA 19111
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 5305-01-274-1256

Category Code Description
Materiel Category and Inventory ManagerT Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
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