Product Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-344-4305 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: W835028A0442, W85028A0442, 835028A0442, 5305-01-344-4305, 01-344-4305, 5305013444305, 013444305

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 29 AUG 1991 01-344-4305

Drawings & Photos | NSN 5305-01-344-4305


Demand History | NSN 5305-01-344-4305

Part Number Request Date QTY Origin
W85028A0442 2025-11-323 1 DIBBS
W85028A0442 2025-04-99 2 DIBBS
5305-01-344-4305 2017-11-316 16 DIBBS
5305-01-344-4305 2017-10-298 6 DIBBS
5305-01-344-4305 2013-03-84 11 DIBBS
5305-01-344-4305 2008-04-94 20 DIBBS

Cross Reference | NSN 5305-01-344-4305

Part Number Cage Code Manufacturer
835028A0442 01365 MARINE CORPS LOGISTICS COMMAND TECHNICAL DATA REPOSITORY
W835028A0442 56161 GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION
W85028A0442 01365 MARINE CORPS LOGISTICS COMMAND TECHNICAL DATA REPOSITORY
W85028A0442 56161 GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION

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Technical Data | NSN 5305-01-344-4305

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 1.000 INCHES
THREAD QUANTITY PER INCH 12
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.500 INCHES NOMINAL
FASTENER LENGTH 8.875 INCHES NOMINAL
MATERIAL STEEL COMP 304 OR STEEL COMP 316 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A276 ASSN STD ALL MATERIAL RESPONSES OVERALL
HEAD STYLE C71 BLIND
HEAD DIAMETER 0.050 INCHES NOMINAL
WIDTH BETWEEN FLATS 1.372 INCHES MINIMUM AND 1.378 INCHES MAXIMUM
INTERNAL DRIVE STYLE D21 WITHOUT INTERNAL DRIVE
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
FIRST DIAMETER FROM HEAD 1.366 INCHES MINIMUM AND 1.370 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD 0.994 INCHES MINIMUM AND 0.997 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 5.250 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER 6.875 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5305-01-344-4305

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 573 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5305-01-344-4305

Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code5Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
A
EA : Each
Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
A
EA : Each