Product Details | ASSEMBLED WASHER SCREW

5305-01-137-7758 A SCREW, (as modified) to which has been assembled one or more nonremovable washer(s).

Part Alternates: NAS720B88, NAS720B8-8, 5305-01-137-7758, 01-137-7758, 5305011377758, 011377758

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 02 SEP 1982 01-137-7758

Drawings & Photos | NSN 5305-01-137-7758


Cross Reference | NSN 5305-01-137-7758

Part Number Cage Code Manufacturer
NAS720B8-8 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-137-7758

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 0.500 INCHES NOMINAL
FASTENER LENGTH 0.500 INCHES NOMINAL
MATERIAL COPPER SECONDARY WASHER COPPER ALLOY 510 PRIMARY WASHER COPPER ALLOY 342 FASTENER
SURFACE TREATMENT TIN SECONDARY WASHER TIN PRIMARY WASHER TIN FASTENER
HEAD STYLE C33 PAN NO. 2
HEAD DIAMETER 0.314 INCHES NOMINAL
HEAD HEIGHT 0.090 INCHES NOMINAL
INTERNAL DRIVE STYLE D14 SLOT
WASHER QUANTITY 2
PRIMARY WASHER STYLE G9 SPLIT HELICAL RING
PRIMARY WASHER OUTSIDE DIAMETER 0.293 INCHES NOMINAL
PRIMARY WASHER MATERIAL THICKNESS 0.040 INCHES NOMINAL
SECONDARY WASHER RELATIONSHIP TO PRIMARY WASHER NOT IDENTICAL
SECONDARY WASHER STYLE G30 FLAT
SECONDARY WASHER OUTSIDE DIAMETER 0.293 INCHES NOMINAL
SECONDARY WASHER MATERIAL THICKNESS 0.016 INCHES NOMINAL
SPECIFICATION/STANDARD DATA 80205-NAS720 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MANUFACTURERS CODE 80205
DESIGN CONTROL REFERENCE NAS720B8-8

Restrictions/Controls & Freight Information | NSN 5305-01-137-7758

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