Product Details | MACHINE SCREW

5305-00-818-0339 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal 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. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.

Part Alternates: 5305-00-818-0339, 00-818-0339, 5305008180339, 008180339

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 00-818-0339

Drawings & Photos | NSN 5305-00-818-0339


Cross Reference | NSN 5305-00-818-0339

Part Number Cage Code Manufacturer
FFS92 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
MS24693-S97 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
NASM24693-S97 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-00-818-0339

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.875 INCHES NOMINAL
FASTENER LENGTH 0.875 INCHES NOMINAL
SCREW MATERIAL STEEL COMP 1010
SCREW MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-633 CANCELED FED SPEC SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENT CADMIUM
HEAD STYLE A39 FLAT COUNTERSUNK
HEAD DIAMETER 0.462 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE B10 SLOT
MANUFACTURERS CODE 88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE AN507-420-14

Restrictions/Controls & Freight Information | NSN 5305-00-818-0339

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
Category Code Description
No Freight Information