Product Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-219-9598 An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Part Alternates: 2510245, 5305-01-219-9598, 01-219-9598, 5305012199598, 012199598

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 05 NOV 1985 01-219-9598

Cross Reference | NSN 5305-01-219-9598

Part Number Cage Code Manufacturer
2510245 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT

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Technical Data | NSN 5305-01-219-9598

Characteristic Specifications
THREAD DIRECTION RIGHT-HAND
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
HEAD HEIGHT 0.306 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
WIDTH ACROSS FLATS 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM
THREAD SERIES DESIGNATOR UNC
FIRST DIAMETER FROM HEAD 0.208 INCHES MINIMUM AND 0.212 INCHES MAXIMUM
HEAD STYLE HEXAGON
MATERIAL STEEL COMP 302 OVERALL AND STEEL COMP 303 OVERALL AND STEEL COMP 304 OVERALL AND STEEL COMP 305 OVERALL AND STEEL COMP 316 OVERALL
SPECIAL FEATURES SCREW END ROUNDED TO 5/32 R AND THE ITEM IS ALTERED FROM MS16995-67
NOMINAL THREAD DIAMETER 0.3125 INCHES
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.029 INCHES MINIMUM AND 0.032 INCHES MAXIMUM
THREAD QUANTITY PER INCH 18
FASTENER LENGTH 1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM
SURFACE TREATMENT PASSIVATE OVERALL
THREAD LENGTH 1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
THREAD CLASS 3A

Restrictions/Controls & Freight Information | NSN 5305-01-219-9598

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