Product Details | INTERNALLY RELIEVED BODY BOLT

5306-01-288-3766 An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE.

Part Alternates: 3280941, 5306-01-288-3766, 01-288-3766, 5306012883766, 012883766

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 05 NOV 1988 01-288-3766

Drawings & Photos | NSN 5306-01-288-3766


Cross Reference | NSN 5306-01-288-3766

Part Number Cage Code Manufacturer
3280941 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT

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Technical Data | NSN 5306-01-288-3766

Characteristic Specifications
THREAD SERIES DESIGNATOR UNEF
NOMINAL THREAD DIAMETER 0.625 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.314 INCHES NOMINAL
FASTENER LENGTH 1.980 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
MATERIAL COPPER ALLOY 360 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT OXIDE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
COLOR BLACK OVERALL
STYLE DESIGNATOR B42 CONCENTRIC HOLE UNTHREADED
CONCENTRIC HOLE DIAMETER 0.438 INCHES MINIMUM AND 0.453 INCHES MAXIMUM
HEAD STYLE C23 ROUND WITH WRENCH FLATS
HEAD DIAMETER 1.250 INCHES NOMINAL
HEAD HEIGHT 0.250 INCHES NOMINAL
WIDTH BETWEEN FLATS 0.980 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
SPECIAL FEATURES WASHER EXTENTION ON HEAD 1.250 IN. DIA.,0.062 WIDTH; WATER TYPE SEAL UNDERCUT; SURFACE TEXTURE FINISH 32.0 MICROIN. FROM THREADED END OF GRIP. 0.188 IN. MIN.,0.312 IN. MAX. LGTH

Restrictions/Controls & Freight Information | NSN 5306-01-288-3766

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.
Category Code Description
NMF Description 093460 BOLTS/NUTS NOI BBC/ZINC
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 713 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 5306-01-288-3766

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 CodesTCONDEMNED (NON-STOCKED ITEMS) Item is no longer authorized for procurement, issue, use or requisitioning.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative