Product Details | CLOSE TOLERANCE SCREW

5305-01-188-1667 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: HT4072435, HT4072-4-3-5 , 3M938435, 3M938-4-3-5, 5305-01-188-1667, 01-188-1667, 5305011881667, 011881667

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 31 AUG 1984 01-188-1667

Drawings & Photos | NSN 5305-01-188-1667


Cross Reference | NSN 5305-01-188-1667

Part Number Cage Code Manufacturer
3M938-4-3-5 76301 BOEING COMPANY, THE DBA BOEING
HT4072-4-3-5 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
HT4072-4-3-5 73197 HI-SHEAR CORPORATION
HT4072-4-3-5 80539 SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
HT4072-4-3-5 L4528 LISI AEROSPACE CANADA CORP

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Technical Data | NSN 5305-01-188-1667

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.287 INCHES MINIMUM AND 0.337 INCHES MAXIMUM
FASTENER LENGTH 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM
MATERIAL STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION 23M112 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CHROMATE AND ALUMINUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-C-83488,TY 2,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C54 OVAL COUNTERSUNK
HEAD DIAMETER 0.3898 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE D9 HIGH-TORQUE
GRIP LENGTH 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM
GRIP DIAMETER 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5305-01-188-1667

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 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 5305-01-188-1667

Category Code Description
Cognizance Codes9ZNavy-owned stocks of defense industrial material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9IDefense Industrial Supply Center
Philadelphia, PA 19111
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each