Product Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-117-2388 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: 2900670001, 290-067-0001, 5305-01-117-2388, 01-117-2388, 5305011172388, 011172388

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 11 AUG 1981 01-117-2388

Drawings & Photos | NSN 5305-01-117-2388


Cross Reference | NSN 5305-01-117-2388

Part Number Cage Code Manufacturer
290-067-0001 95542 NORTHROP GRUMMAN SYSTEMS CORPORATION
290-067-0001 C1834 KONTRON AG

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Technical Data | NSN 5305-01-117-2388

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.138 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
FASTENER LENGTH 0.593 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
MATERIAL STEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTMA582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C29 BINDING
HEAD DIAMETER 0.303 INCHES MINIMUM AND 0.321 INCHES MAXIMUM
HEAD HEIGHT 0.074 INCHES MINIMUM AND 0.086 INCHES MAXIMUM
INTERNAL DRIVE STYLE D14 SLOT
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
FIRST DIAMETER FROM HEAD 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.395 INCHES MINIMUM AND 0.447 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5305-01-117-2388

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