Product Details | RECESSED AND STEPPED STUD

5307-00-912-8090 A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends on which the nominal diameter of one threaded section is greater than the other. The unthreaded section must have more than one diameter, none of which may be larger than the maximum major diameter of the larger thread. It may be thread relieved. Excludes items with tapered threads.

Part Alternates: BACS21CHD9, 5307-00-912-8090, 00-912-8090, 5307009128090, 009128090

Hardware and Abrasives | Studs

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1960 00-912-8090

Cross Reference | NSN 5307-00-912-8090

Part Number Cage Code Manufacturer
BACS21CHD9 81205 THE BOEING COMPANY DBA BOEING

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Technical Data | NSN 5307-00-912-8090

Characteristic Specifications
MATERIAL STEEL COMP 8740
MATERIAL DOCUMENT AND CLASSIFICATION SAE ASSN STD SINGLE MATERIAL RESPONSE
SURFACE TREATMENT CADMIUM OVERALL
LENGTH OF RECESSED PORTION OF SHANK 0.750 INCHES NOMINAL
DIAMETER OF RECESSED PORTION OF SHANK 0.229 INCHES MINIMUM AND 0.233 INCHES MAXIMUM
DISTANCE ACROSS FLATS 0.250 INCHES NOMINAL
OVERALL LENGTH 2.750 INCHES NOMINAL
THREAD SERIES DESIGNATOR UNJF NUT THREAD UNC STUD THREAD
NOMINAL THREAD SIZE 0.312 INCHES NUT THREAD 0.375 INCHES STUD THREAD
THREAD CLASS 3A NUT THREAD
THREAD QUANTITY PER INCH 24 NUT THREAD 16 STUD THREAD
THREAD PITCH DIAMETERS 0.3422 TO 0.3437 INCHES STUD THREAD
THREAD DIRECTION RIGHT-HAND NUT THREAD RIGHT-HAND STUD THREAD
THREAD LENGTH 0.625 INCHES MINIMUM NUT THREAD 0.750 INCHES MINIMUM STUD THREAD
III HARDNESS RATING 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
MANUFACTURERS CODE 81205
DESIGN CONTROL REFERENCE BACS21CHD9

Restrictions/Controls & Freight Information | NSN 5307-00-912-8090

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
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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
No Freight Information

Management | NSN 5307-00-912-8090

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative