Product Details | CLOSE TOLERANCE SCREW

5305-01-270-1725 A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Part Alternates: HT4075V51324, HT4075V5-13-24 , 11839V51324, 11839V5-13-24 , 3M1034V51324, 3M1034V5-13-24, 5305-01-270-1725, 01-270-1725, 5305012701725, 012701725

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 31 DEC 1987 01-270-1725

Drawings & Photos | NSN 5305-01-270-1725


Cross Reference | NSN 5305-01-270-1725

Part Number Cage Code Manufacturer
11839V5-13-24 59563 REID PRODUCTS INC. DBA REID PRODUCTS
3M1034V5-13-24 56078 BEST-WAY PRODUCTS
3M1034V5-13-24 76301 BOEING COMPANY, THE DBA BOEING
3M1034V5-13-24 92215 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
HT4075V5-13-24 06950 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
HT4075V5-13-24 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
HT4075V5-13-24 73197 HI-SHEAR CORPORATION
HT4075V5-13-24 92215 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
HT4075V5-13-24 L4528 LISI AEROSPACE CANADA CORP

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Technical Data | NSN 5305-01-270-1725

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.506 INCHES MINIMUM AND 0.556 INCHES MAXIMUM
FASTENER LENGTH 1.328 INCHES MINIMUM AND 1.358 INCHES MAXIMUM
MATERIAL TITANIUM ALLOY UNS R56400 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 4928 ASSN STD 1ST MATERIAL RESPONSE OR AMS 4967 ASSN STD 2ND MATERIAL RESPONSE OVERALL
HEAD STYLE C50 FLAT COUNTERSUNK
HEAD DIAMETER 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE D9 HIGH-TORQUE
GRIP LENGTH 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM
GRIP DIAMETER 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
SPECIAL FEATURES THREADED HOLE IN TOP OF HEAD 0.138-32 UNJC-3B; TAPPED HOLE DEPTH FROM HEAD TOP 0.300 IN. MIN AND 0.345 IN. MAX; COUNTERBORE 0.145 IN. MIN AND 0.150 IN. MAX DIA; INJECTION PORT 0.120 IN NOM LG,0.060 IN. NOM WIDTH IN UNTHREADED SHANK; DISTANT FROM TOP OF HEAD TO BEGINNING OF INJECTION PORT 0.240 IN.

Restrictions/Controls & Freight Information | NSN 5305-01-270-1725

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 136500 METAL NOI/METAL ALLOYS 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 5305-01-270-1725

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 CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative