Product Details | EXTERNALLY RELIEVED BODY BOLT

5306-01-253-2239 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 undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.

Part Alternates: 863C0120050003, 863C0120050-003, 5306-01-253-2239, 01-253-2239, 5306012532239, 012532239

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 14 APR 1987 01-253-2239

Drawings & Photos | NSN 5306-01-253-2239


Cross Reference | NSN 5306-01-253-2239

Part Number Cage Code Manufacturer
863C0120050-003 04236 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN SPACE SYSTEMS

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Technical Data | NSN 5306-01-253-2239

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.500 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.808 INCHES NOMINAL
FASTENER LENGTH 2.512 INCHES MINIMUM AND 2.542 INCHES MAXIMUM
HEAD STYLE C18 TEE NO. 2
HEAD HEIGHT 2.110 INCHES MINIMUM AND 2.150 INCHES MAXIMUM
HEAD LENGTH 2.500 INCHES NOMINAL
TEE HEAD FLANGE THICKNESS 0.380 INCHES NOMINAL
WIDTH BETWEEN FLATS 1.890 INCHES NOMINAL
HOLE CONFIGURATION STYLE E15 SQUARE LONGITUDINAL HOLE
HOLE TYPE DRILLED
HOLE QUANTITY 4
HOLE DIAMETER 0.249 INCHES MINIMUM AND 0.256 INCHES MAXIMUM
POINT STYLE F1 FLAT
POINT LENGTH 0.030 INCHES NOMINAL
POINT CHAMFER ANGLE 45.0 DEGREES NOMINAL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 2.120 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 2
FIRST DIAMETER FROM HEAD 0.623 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD 0.417 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 1.625 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER 1.719 INCHES NOMINAL
MANUFACTURERS CODE 04236
DESIGN CONTROL REFERENCE 863C0120050-003

Restrictions/Controls & Freight Information | NSN 5306-01-253-2239

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 574 unknown
Originating Activity Code SU Ogden Air Logistics Center
Hill AFB, UT 84056-5609
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 5306-01-253-2239

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Materiel Management Aggregation CodeAHSU:LGM-30 MINUTEMAN
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
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
1
EA : Each