Product Details | RIBBED SHOULDER BOLT

5306-00-721-5581 An externally threaded fastener whose threaded portion is of one nominal diameter. It has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. The minor diameter of the ribs must be greater than the major diameter of the threads. See also BOLT, RIBBED NECK.

Part Alternates: 375907, 5306-00-721-5581, 00-721-5581, 5306007215581, 007215581

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-721-5581

Drawings & Photos | NSN 5306-00-721-5581


Cross Reference | NSN 5306-00-721-5581

Part Number Cage Code Manufacturer
375907 70210 HONEYWELL INTERNATIONAL INC. DBA HONEYWELL
375907 72599 ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO
375907 99193 HONEYWELL INTERNATIONAL INC. DBA HONEYWELL

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Technical Data | NSN 5306-00-721-5581

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 0.530 INCHES MINIMUM
FASTENER LENGTH 1.000 INCHES NOMINAL
MATERIAL STEEL COMP 4340 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 40.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE C26 DEE CHAMFER
HEAD DIAMETER 0.190 INCHES NOMINAL
HEAD HEIGHT 0.190 INCHES NOMINAL
DISTANCE FROM CENTERLINE TO FLAT 0.180 INCHES NOMINAL
SHOULDER SHAPE RIBBED FIRST SHOULDER
SHOULDER DIAMETER 0.283 INCHES NOMINAL FIRST SHOULDER
SHOULDER LENGTH 0.090 INCHES NOMINAL FIRST SHOULDER
RIB MAJOR DIAMETER 0.283 INCHES NOMINAL
RIB LENGTH 0.090 INCHES NOMINAL
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS 0.040 INCHES NOMINAL
MANUFACTURERS CODE 99193
DESIGN CONTROL REFERENCE 375907

Restrictions/Controls & Freight Information | NSN 5306-00-721-5581

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 5306-00-721-5581

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
Purchasing QTY
UOM
1
EA : Each