PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RC-617Shaft,shouldered

Continental Emsco Co Skagit Products Div · NSN 3040-01-240-3084 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-240-3084 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-240-3084. Primary manufacturer part number: RC-617.
Features
  • Shaft,shouldered — FSC 3040
  • First End Keyway Depth: 0.375 INCHES NOMINAL IN
  • Material: STEEL
  • First End Keyway Width: 0.7500 INCHES NOMINAL IN
  • External Keyway Length: 7.500 INCHES NOMINAL FIRST END IN
  • Step Quantity: 7
  • First End Style: FLAT KEYWAY
  • End Similarity: IDENTICAL
Applications
  • Applications requiring Steel construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-240-3084, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Continental Emsco Co Skagit Products Div. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-240-3084
Primary Part NumberRC-617
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerContinental Emsco Co Skagit Products Div
StatusACTIVE
First End Keyway Depth0.375 INCHES NOMINAL IN
MaterialSTEEL
First End Keyway Width0.7500 INCHES NOMINAL IN
External Keyway Length7.500 INCHES NOMINAL FIRST END IN
Step Quantity7
First End StyleFLAT KEYWAY
End SimilarityIDENTICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3950-00-257-5223 INTERCHANGEABLE
Winch,gypsy
5970-00-303-9726125447 INTERCHANGEABLE
Insulator,plate
Raytheon Company Dba Raytheon
3040-01-240-1086RC-616 INTERCHANGEABLE
Hub,body
Continental Emsco Co Skagit Products Div
2090-01-622-9892 INTERCHANGEABLE
Reservoir,window Washer
Cross-Reference Index
Part NumberManufacturer
RC-617 PRIMARY Continental Emsco Co Skagit Products Div (USA)
3121203 Naval Sea Systems Command (USA)
RC-3279-H Continental Emsco Co Skagit Products Div (USA)
3121202 Naval Sea Systems Command (USA)
RC-3279-H PIECE 5 Continental Emsco Co Skagit Products Div (USA)
3121202 PIECE 5 Naval Sea Systems Command (USA)
RC-3277-H Continental Emsco Co Skagit Products Div (USA)
Related Parts
3950-00-257-5223INTERCHANGEABLE
WINCH,GYPSY
5970-00-303-9726INTERCHANGEABLE
INSULATOR,PLATE
125447
3040-01-240-1086INTERCHANGEABLE
HUB,BODY
RC-616
2090-01-622-9892INTERCHANGEABLE
RESERVOIR,WINDOW WASHER

Frequently Asked Questions

What is NSN 3040-01-240-3084?

NSN 3040-01-240-3084 is a Shaft,shouldered, manufactured by Continental Emsco Co Skagit Products Div, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-240-3084?

NSN 3040-01-240-3084 has 7 cross-referenced part numbers: RC-617 (Continental Emsco Co Skagit Products Div), 3121203 (Naval Sea Systems Command), RC-3279-H (Continental Emsco Co Skagit Products Div), 3121202 (Naval Sea Systems Command), RC-3279-H PIECE 5 (Continental Emsco Co Skagit Products Div) and 2 more.

What NSN replaces 3040-01-240-3084?

There are 4 known substitutes for 3040-01-240-3084: 3950-00-257-5223, 5970-00-303-9726, 3040-01-240-1086 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RC-617?

Key specifications for RC-617: First End Keyway Depth: 0.375 INCHES NOMINAL IN; Material: STEEL; First End Keyway Width: 0.7500 INCHES NOMINAL IN; Special Features: MAJOR DIA CONTAINS KEY WAY 5.875 IN. LG,1.000 IN. W,0.500 IN. DEEP IN. 9 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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