Product Details | THUMBSCREW

5305-01-057-5983 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: PWA5111437, PWA51114-37, 5305-01-057-5983, 01-057-5983, 5305010575983, 010575983

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 16 MAR 1978 01-057-5983

Drawings & Photos | NSN 5305-01-057-5983


Cross Reference | NSN 5305-01-057-5983

Part Number Cage Code Manufacturer
PWA51114-37 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS

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Technical Data | NSN 5305-01-057-5983

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.000 INCHES NOMINAL
FASTENER LENGTH 1.375 INCHES NOMINAL
MATERIAL STEEL OVERALL
HEAD STYLE C66 KNURLED NO. 1
HEAD DIAMETER 0.312 INCHES NOMINAL
HEAD HEIGHT 0.375 INCHES NOMINAL
POINT STYLE F22 POINTLESS
MANUFACTURERS CODE 77445
DESIGN CONTROL REFERENCE PWA51114-37

Restrictions/Controls & Freight Information | NSN 5305-01-057-5983

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:UPrecious metal type is unknown
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