NSN 3040-01-418-4103 · NIIN 014184103 · Part number 512-6404652-40
Naval Sea Systems Command · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3040-01-418-4103 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-418-4103. Manufacturer of record part number: 512-6404652-40.
Also searched as3040-01-418-4103 ·
3040014184103 ·
NIIN 014184103 ·
01-418-4103 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 53711 · 512-6404652-40 · DF6503-173 · 6404652 · DF6503-173 PIECE 43
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 512-6404652-40
Manufacturer: Naval Sea Systems Command
General Description
The Shaft,straight, cataloged under National Stock Number 3040-01-418-4103, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3040-01-418-4103
Primary Part Number
512-6404652-40
Item Name
Shaft,straight
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
End Similarity
IDENTICAL
Material
NICKEL ALLOY
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-418-6448512-6404652-AY95POSSIBLE MATCH
GEAR OPERATOR,VALVE
Possible match (shared part number)Naval Sea Systems Command
3010-01-418-9549211044863POSSIBLE MATCH
UNIVERSAL JOINT,NONVEHICULAR
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
3040-01-444-5114512-6404652 FIND 148POSSIBLE MATCH
PLATE,RETAINING,SHAFT
Possible match (shared part number)Naval Sea Systems Command
4820-01-444-9493512-6404652-AY89POSSIBLE MATCH
GEAR OPERATOR,VALVE
Possible match (shared part number)Naval Sea Systems Command
4820-01-446-5079211045128POSSIBLE MATCH
GEAR OPERATOR,VALVE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
Huntington Ingalls Inc Div Newport News Shipbuilding
6404652
D/9Drawing number reference only
Naval Sea Systems Command
DF6503-173 PIECE 43
5/9Secondary reference
Huntington Ingalls Inc Div Newport News Shipbuilding
Related Parts
4820-01-418-6448POSSIBLE MATCH
GEAR OPERATOR,VALVE
512-6404652-AY95
3010-01-418-9549POSSIBLE MATCH
UNIVERSAL JOINT,NONVEHICULAR
211044863
3040-01-444-5114POSSIBLE MATCH
PLATE,RETAINING,SHAFT
512-6404652 FIND 148
4820-01-444-9493POSSIBLE MATCH
GEAR OPERATOR,VALVE
512-6404652-AY89
4820-01-446-5079POSSIBLE MATCH
GEAR OPERATOR,VALVE
211045128
Frequently Asked Questions
What is NSN 3040-01-418-4103?
NSN 3040-01-418-4103 is a Shaft,straight, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-418-4103?
NSN 3040-01-418-4103 has 1 manufacturer part number on file: 512-6404652-40 (Naval Sea Systems Command).
What NSN replaces 3040-01-418-4103?
5 possible matches (shared part number, not a government interchangeability claim): 4820-01-418-6448, 3010-01-418-9549, 3040-01-444-5114. Verify interchangeability with system specifications before substitution.
What are the specifications of 512-6404652-40?
Key specifications for 512-6404652-40: Overall Length: 6.0700 INCHES NOMINAL IN; End Similarity: IDENTICAL; End Item Identification: SEAWOLF CLASS (SSN); Material: NICKEL ALLOY. 2 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-418-4103 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.