Product Details | THUMBSCREW

5305-00-621-5325 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: 8515123, 5305-00-621-5325, 00-621-5325, 5305006215325, 006215325

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1961 00-621-5325

Drawings & Photos | NSN 5305-00-621-5325


Cross Reference | NSN 5305-00-621-5325

Part Number Cage Code Manufacturer
8515123 18876 U S ARMY AVIATION AND MISSILE COMMAND

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Technical Data | NSN 5305-00-621-5325

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.190 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.938 INCHES MINIMUM
FASTENER LENGTH 1.094 INCHES NOMINAL
MATERIAL STEEL COMP 430 OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
HEAD STYLE C66 KNURLED NO. 1
HEAD DIAMETER 0.500 INCHES NOMINAL
HEAD HEIGHT 0.281 INCHES NOMINAL
POINT STYLE F19 FLAT
SHOULDER SHAPE ROUND FIRST SHOULDER
SHOULDER DIAMETER 0.438 INCHES NOMINAL FIRST SHOULDER
SHOULDER LENGTH 0.156 INCHES NOMINAL FIRST SHOULDER

Restrictions/Controls & Freight Information | NSN 5305-00-621-5325

Category Code Description
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.
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 XX
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