Product Details | THUMBSCREW

5305-00-478-0643 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: 7030611, 703061-1, 5305-00-478-0643, 00-478-0643, 5305004780643, 004780643

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 28 JUN 1971 00-478-0643

Drawings & Photos | NSN 5305-00-478-0643


Cross Reference | NSN 5305-00-478-0643

Part Number Cage Code Manufacturer
703061-1 96214 RAYTHEON COMPANY DBA RAYTHEON

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Technical Data | NSN 5305-00-478-0643

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.138 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
FASTENER LENGTH 3.040 INCHES MINIMUM AND 3.060 INCHES MAXIMUM
MATERIAL STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 316 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-7720 MIL SPEC ALL MATERIAL RESPONSES OVERALL
HEAD STYLE C66 KNURLED NO. 1
HEAD DIAMETER 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
HEAD HEIGHT 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM
POINT STYLE F19 FLAT
SHOULDER SHAPE ROUND FIRST SHOULDER
SHOULDER DIAMETER 0.164 INCHES MINIMUM AND 0.165 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH 2.790 INCHES MINIMUM AND 2.810 INCHES MAXIMUM FIRST SHOULDER
MANUFACTURERS CODE 96214
DESIGN CONTROL REFERENCE 703061-1

Restrictions/Controls & Freight Information | NSN 5305-00-478-0643

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
No Freight Information