Product Details | THUMBSCREW

5305-01-183-7903 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: NAS130008T12, NAS1300-08T12, 5305-01-183-7903, 01-183-7903, 5305011837903, 011837903

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 10 JUL 1984 01-183-7903

Drawings & Photos | NSN 5305-01-183-7903


Cross Reference | NSN 5305-01-183-7903

Part Number Cage Code Manufacturer
NAS1300-08T12 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-183-7903

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.164 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.750 INCHES NOMINAL
FASTENER LENGTH 0.750 INCHES NOMINAL
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C79 THUMB NO. 3
HEAD HEIGHT 0.359 INCHES MINIMUM AND 0.389 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.339 INCHES MINIMUM AND 0.369 INCHES MAXIMUM
POINT STYLE F19 FLAT
SPECIFICATION/STANDARD DATA 80205-NAS1300 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Restrictions/Controls & Freight Information | NSN 5305-01-183-7903

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.
Category Code Description
No Freight Information