PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3646Shaft,shouldered

Lear Siegler Inc Sherwood Div · NSN 3040-00-005-5035 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-005-5035 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-005-5035. Primary manufacturer part number: 3646.
Features
  • Shaft,shouldered — FSC 3040
  • Step Quantity: 4
  • End Similarity: NOT IDENTICAL
  • First End Style: PLAIN
  • Largest Step Diameter: 0.877 INCHES NOMINAL IN
  • Second End External Thread Length: 0.562 INCHES NOMINAL IN
  • First End Diameter: 0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
  • Second End Style: EXTERNAL THREADED
Applications
  • Applications requiring Copper Alloy construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-00-005-5035, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Lear Siegler Inc Sherwood Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-005-5035
Primary Part Number3646
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerLear Siegler Inc Sherwood Div
StatusACTIVE
Step Quantity4
End SimilarityNOT IDENTICAL
First End StylePLAIN
Largest Step Diameter0.877 INCHES NOMINAL IN
Second End External Thread Length0.562 INCHES NOMINAL IN
First End Diameter0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
Second End StyleEXTERNAL THREADED
Second End Diameter0.4649 INCHES MINIMUM AND 0.4679 INCHES MAXIMUM IN
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5961-00-103-4430 INTERCHANGEABLE
Transistor
5310-00-197-33063646 INTERCHANGEABLE
Washer,lock
Telemechanics Inc
4730-00-504-19082565033-1 INTERCHANGEABLE
Tee,pipe
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3010-00-709-7431 INTERCHANGEABLE
Clutch,sliding Sleeve,nonvehicul
2530-00-846-2180 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
5310-00-993-05112W1-17-14-32 INTERCHANGEABLE
Washer,flat
The Boeing Company Div Legacy Am&m
6515-01-207-3772 INTERCHANGEABLE
Suction Kit,tracheal
6685-01-316-4794628422 INTERCHANGEABLE
Indicator,humidity,plug
L3harris Cincinnati Electronics Corporation
5995-01-477-9758A28853-000 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Teledyne Etm, Inc. Dba Etm Electromatic Inc
6145-01-498-47233646 INTERCHANGEABLE
Wire,electrical
Amw Cuyuna Engine Co. Inc Dba Two Stroke International
Cross-Reference Index
Part NumberManufacturer
3646 Lear Siegler Inc Sherwood Div (USA)
10288-53 Cummins Inc. (USA)
Related Parts
5961-00-103-4430INTERCHANGEABLE
TRANSISTOR
5310-00-197-3306INTERCHANGEABLE
WASHER,LOCK
3646
4730-00-504-1908INTERCHANGEABLE
TEE,PIPE
2565033-1
3010-00-709-7431INTERCHANGEABLE
CLUTCH,SLIDING SLEEVE,NONVEHICUL
2530-00-846-2180INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
5310-00-993-0511INTERCHANGEABLE
WASHER,FLAT
2W1-17-14-32
6515-01-207-3772INTERCHANGEABLE
SUCTION KIT,TRACHEAL
6685-01-316-4794INTERCHANGEABLE
INDICATOR,HUMIDITY,PLUG
628422
5995-01-477-9758INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
A28853-000
6145-01-498-4723INTERCHANGEABLE
WIRE,ELECTRICAL
3646
4810-01-680-4862INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD
1018444

Frequently Asked Questions

What is NSN 3040-00-005-5035?

NSN 3040-00-005-5035 is a Shaft,shouldered, manufactured by Lear Siegler Inc Sherwood Div, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-005-5035?

NSN 3040-00-005-5035 has 2 cross-referenced part numbers: 3646 (Lear Siegler Inc Sherwood Div), 10288-53 (Cummins Inc.).

What NSN replaces 3040-00-005-5035?

There are 11 known substitutes for 3040-00-005-5035: 5961-00-103-4430, 5310-00-197-3306, 4730-00-504-1908 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3646?

Key specifications for 3646: Special Features: CROSS DRILLED HOLE SECOND END,0.125 IN.DIA,0.156 IN.FROM END;3 NO.9 WOODRUFF KEYWAYS CUT IN LINE AND 1 NO.8 WOODRUFF KEYWAY;ALL ARE INDENTED IN; Step Quantity: 4; End Similarity: NOT IDENTICAL; First End Style: PLAIN. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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