Product Details | EXTERNALLY RELIEVED BODY BOLT

5306-00-807-9221 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: 7271931, 727193-1, 5306-00-807-9221, 00-807-9221, 5306008079221, 008079221

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-807-9221

Drawings & Photos | NSN 5306-00-807-9221


Demand History | NSN 5306-00-807-9221

Part Number Request Date QTY Origin
727193-1 2025-11-308 68 DIBBS
727193-1 2025-10-300 68 DIBBS
5306-00-807-9221 2025-10-297 68 US
727193-1 2025-10-292 68 DIBBS
727193-1 2024-06-180 51 DIBBS
727193-1 2024-06-172 51 DIBBS
5306-00-807-9221 2020-06-168 3 United States
5306-00-807-9221 2018-06-157 1 DIBBS-RFPs
5306-00-807-9221 2018-02-53 191 DIBBS
5306-00-807-9221 2018-02-45 191 DIBBS
5306-00-807-9221 2018-01-09 195 DIBBS
5306-00-807-9221 2018-01-01 195 DIBBS
5306-00-807-9221 2017-09-250 250 DIBBS
5306-00-807-9221 2017-07-204 110 DIBBS
5306-00-807-9221 2015-12-347 96 DIBBS
5306-00-807-9221 2014-12-343 108 DIBBS
5306-00-807-9221 2013-04-98 300 DIBBS
5306-00-807-9221 2013-01-04 127 DIBBS
5306-00-807-9221 2012-06-153 71 DIBBS
5306-00-807-9221 2010-01-26 72 United States
7271931 2009-06-153 28 United States
5306-00-807-9221 2009-05-148 30 us
5306-00-807-9221 2009-05-147 28 United States
5306-00-807-9221 2009-05-147 28 United States
5306-00-807-9221 2009-05-134 1 United States
5306-00-807-9221 2009-03-86 149 DIBBS
5306-00-807-9221 2008-08-224 189 DIBBS
5306-00-807-9221 2008-06-161 272 DIBBS
5306-00-807-9221 2008-04-100 260 DIBBS

Cross Reference | NSN 5306-00-807-9221

Part Number Cage Code Manufacturer
727193-1 17772 AERO ENGINEERING & MANUFACTURING COMPANY OF CALIFORNIA
727193-1 30205 MERCER PRODUCTS & MANUFACTURING COMPANY
727193-1 57928 SONIC INDUSTRIES INC.
727193-1 98897 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS

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Technical Data | NSN 5306-00-807-9221

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.393 INCHES MINIMUM AND 0.433 INCHES MAXIMUM
FASTENER LENGTH 1.880 INCHES MINIMUM AND 1.910 INCHES MAXIMUM
MATERIAL STEEL COMP 8630 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-6050,F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CHROMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION 496,TY 2 FSCM 36659 MFR REF SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH 150000 POUNDS PER SQUARE INCH
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.546 INCHES MINIMUM AND 0.548 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 1.730 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER 0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 3
FIRST DIAMETER FROM HEAD 0.336 INCHES MINIMUM AND 0.346 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD 0.3732 INCHES MINIMUM AND 0.3743 INCHES MAXIMUM
THIRD DIAMETER FROM HEAD 0.186 INCHES MINIMUM AND 0.196 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER 1.540 INCHES MINIMUM AND 1.550 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER 1.603 INCHES MINIMUM AND 1.613 INCHES MAXIMUM
MANUFACTURERS CODE 98897
DESIGN CONTROL REFERENCE 727193-1

Restrictions/Controls & Freight Information | NSN 5306-00-807-9221

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:UPrecious metal type is unknown
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 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 XX
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 5306-00-807-9221

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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each