Product Details | SHOULDERED SHAFT

3040-01-398-1988 A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (AA), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see AXLE(1), SHOULDERED. For items not having any of the above conditions see PIN, SHOULDER, HEADLESS. Excludes SHAFT(1), STRAIGHT; and AXLE(1), STRAIGHT.

Part Alternates: DAA7252D715, DAA7252D715001, DAA7252D715-001, 3040-01-398-1988, 01-398-1988, 3040013981988, 013981988

Mechanical Power Transmission Equipment | Miscellaneous Power Transmission Equipment

Supply Group (FSG) NSN Assign. NIIN
30 26 OCT 1994 01-398-1988

Drawings & Photos | NSN 3040-01-398-1988


Cross Reference | NSN 3040-01-398-1988

Part Number Cage Code Manufacturer
DAA7252D715 81205 THE BOEING COMPANY DBA BOEING
DAA7252D715-001 81205 THE BOEING COMPANY DBA BOEING

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Technical Data | NSN 3040-01-398-1988

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING
FIRST END STYLE 13 SQUARE
FIRST END DIAMETER 1.3750 INCHES NOMINAL
FIRST END WIDTH ACROSS FLATS 0.500 INCHES NOMINAL
FIRST END STEP LENGTH 1.380 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE 18 SPLINED
SECOND END DIAMETER 1.2810 INCHES NOMINAL
SECOND END SPLINE LENGTH 0.450 INCHES NOMINAL
SECOND END SPLINE MINOR DIAMETER 1.2470 INCHES NOMINAL
SECOND END SPLINE MAJOR DIAMETER 1.3700 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM
SECOND END PITCH DIAMETER 1.3333 INCHES NOMINAL
SECOND END PRESSURE ANGLE 30.0 DEGREES NOMINAL
SECOND END SPLINE QUANTITY 32
LARGEST STEP DIAMETER 1.132 INCHES NOMINAL
OVERALL LENGTH 11.320 INCHES NOMINAL
STEP QUANTITY 3
III END ITEM IDENTIFICATION 5180-01-272-5929

Restrictions/Controls & Freight Information | NSN 3040-01-398-1988

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.
Category Code Description
No Freight Information

Management | NSN 3040-01-398-1988

Category Code Description
Materiel Management Aggregation CodeBQTN:B-2 TSSP, NORTHROP GRUMMAN
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.
Budget CodeS 1557X3010:Aircraft Replenishment Spares
Source of SupplyF59Northrop Grumman IS ACS
2501 Liberty Parkway, Suite 101
Midwest, OK 73110-2885
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
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