Product Details | THUMBSCREW

5305-01-255-4959 An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use SCREW (as modified) or BOLT (as modified).

Part Alternates: AD3480323, AD34803-23, 9240237, 924023-7, 5305-01-255-4959, 01-255-4959, 5305012554959, 012554959

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 21 MAY 1987 01-255-4959

Drawings & Photos | NSN 5305-01-255-4959


Demand History | NSN 5305-01-255-4959

Part Number Request Date QTY Origin
924023-7 2022-03-75 42 DIBBS
AD34803-23 2022-03-75 42 DIBBS

Cross Reference | NSN 5305-01-255-4959

Part Number Cage Code Manufacturer
924023-7 98897 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS
AD34803-23 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS

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Technical Data | NSN 5305-01-255-4959

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.375 INCHES
THREAD QUANTITY PER INCH 16
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.713 INCHES MINIMUM AND 1.900 INCHES MAXIMUM
FASTENER LENGTH 1.838 INCHES MINIMUM AND 1.900 INCHES MAXIMUM
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C87 WING NO. 2
HEAD HEIGHT 0.750 INCHES MINIMUM AND 0.780 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.797 INCHES MINIMUM AND 0.827 INCHES MAXIMUM
POINT STYLE F22 POINTLESS
SPECIAL FEATURES DRILLED HOLE LOCATED 1.713 IN. MIN AND 1.737 IN. MAX FROM BEARING SURFACE OF HEAD. DIAMETER OF HOLE TO BE 0.062 IN. MIN AND 0.065 IN. MAX

Restrictions/Controls & Freight Information | NSN 5305-01-255-4959

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.
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 5305-01-255-4959

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative