Product Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-188-3994 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: 28488081, 2848808-1, 5305-01-188-3994, 01-188-3994, 5305011883994, 011883994

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 04 SEP 1984 01-188-3994

Drawings & Photos | NSN 5305-01-188-3994


Cross Reference | NSN 5305-01-188-3994

Part Number Cage Code Manufacturer
2848808-1 52088 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN

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Technical Data | NSN 5305-01-188-3994

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 0.295 INCHES NOMINAL
FASTENER LENGTH 0.375 INCHES NOMINAL
MATERIAL STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-761 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35,TYPE 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C44 FILLISTER
HEAD DIAMETER 0.270 INCHES NOMINAL
HEAD HEIGHT 0.047 INCHES MINIMUM AND 0.097 INCHES MAXIMUM
INTERNAL DRIVE STYLE D1 CROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
FIRST DIAMETER FROM HEAD 0.079 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.080 INCHES NOMINAL
MANUFACTURERS CODE 52088
DESIGN CONTROL REFERENCE 2848808-1

Restrictions/Controls & Freight Information | NSN 5305-01-188-3994

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code unknown
Originating Activity Code KE Naval ICP
Philadelphia, PA 19111
Air Dimension Code
Air Commodity
Air Special Handling
Special Handling Code unknonwn
HAZMAT
Type of Cargo

Management | NSN 5305-01-188-3994

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative