Product Details | CLOSE TOLERANCE BOLT

5306-01-312-2634 An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see BOLT, SHEAR. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see BOLT, MACHINE.

Part Alternates: BM55132817A, BM55132-8-17A, EWSB9228A17, EWSB922-8A17, 5306-01-312-2634, 01-312-2634, 5306013122634, 013122634

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 13 DEC 1989 01-312-2634

Drawings & Photos | NSN 5306-01-312-2634


Demand History | NSN 5306-01-312-2634

Part Number Request Date QTY Origin
BM55132817A 2021-12-336 120 United States
5306-01-312-2634 2018-09-256 459 DIBBS
5306-01-312-2634 2017-03-78 335 DIBBS
5306-01-312-2634 2017-01-04 322 DIBBS
5306-01-312-2634 2016-10-299 342 DIBBS
5306-01-312-2634 2016-08-223 184 DIBBS
5306-01-312-2634 2016-06-181 184 DIBBS
5306-01-312-2634 2016-02-39 84 DIBBS
5306-01-312-2634 2013-12-339 274 DIBBS
5306-01-312-2634 2013-07-185 222 DIBBS
5306-01-312-2634 2011-10-280 95 DIBBS
5306-01-312-2634 2011-09-246 223 DIBBS
5306-01-312-2634 2011-08-232 0 DIBBS
5306-01-312-2634 2011-07-201 159 DIBBS
5306-01-312-2634 2011-06-155 41 DIBBS
5306-01-312-2634 2011-03-70 69 DIBBS
5306-01-312-2634 2011-01-14 62 DIBBS
5306-01-312-2634 2010-07-182 10 DIBBS
5306-01-312-2634 2010-01-19 200 DIBBS
5306-01-312-2634 2009-12-344 174 DIBBS

Cross Reference | NSN 5306-01-312-2634

Part Number Cage Code Manufacturer
BM55132-8-17A 17446 HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
BM55132-8-17A 97928 HUCK INTL INC
EWSB922-8A17 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION

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Technical Data | NSN 5306-01-312-2634

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 0.516 INCHES NOMINAL
FASTENER LENGTH 1.562 INCHES MINIMUM AND 1.609 INCHES MAXIMUM
MATERIAL STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION NAS672 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C8 DOUBLE HEXAGON
HEAD HEIGHT 0.281 INCHES NOMINAL
WIDTH BETWEEN FLATS 0.746 INCHES NOMINAL
GRIP LENGTH 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM
GRIP DIAMETER 0.499 INCHES NOMINAL
III END ITEM IDENTIFICATION SHEAR BRACE ASSEMBLY,B-1B ACFT
MANUFACTURERS CODE 56878
DESIGN CONTROL REFERENCE EWSB922-8A17

Restrictions/Controls & Freight Information | NSN 5306-01-312-2634

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 5306-01-312-2634

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 CodeLESU:LANDING GEAR SYSTEMS AND COMPONENTS
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 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