NSN 3040-01-475-8911 · NIIN 014758911 · Part number 124-4322623 PC 12
Naval Sea Systems Command · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3040-01-475-8911 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-475-8911. Manufacturer of record part number: 124-4322623 PC 12.
Also searched as3040-01-475-8911 ·
3040014758911 ·
NIIN 014758911 ·
01-475-8911 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 53711 · 124-4322623 PC 12 · 4322623 · 4322621 · 124-4322621 PC 18
First End Distance From Keyway Center to End: 0.875 INCHES NOMINAL IN
First End Style: WOODRUFF KEYWAY
Material Document and Classification: AISI-C-1018 ASSN STD SINGLE MATERIAL RESPONSE
End Similarity: IDENTICAL
Material: STEEL COMP 1018
Identification
NSN: 3040-01-475-8911
NIIN: 014758911
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 124-4322623 PC 12
Manufacturer: Naval Sea Systems Command
General Description
The Shaft,straight, cataloged under National Stock Number 3040-01-475-8911, 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 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government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
3040-01-475-8911
Primary Part Number
124-4322623 PC 12
Item Name
Shaft,straight
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Surface Finish
125.0 MICROINCHES
First End Diameter
1.1250 INCHES NOMINAL IN
First End Distance From Keyway Center to End
0.875 INCHES NOMINAL IN
First End Style
WOODRUFF KEYWAY
Material Document and Classification
AISI-C-1018 ASSN STD SINGLE MATERIAL RESPONSE
End Similarity
IDENTICAL
Material
STEEL COMP 1018
External Keyway Length
1.500 INCHES NOMINAL FIRST END IN
First End Keyway Width
0.3125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-475-8927124-4322623 PC 46POSSIBLE MATCH
SHAFT,STRAIGHT
Possible match (shared part number)Naval Sea Systems Command
3040-01-475-8933124-4322623 PC 3POSSIBLE MATCH
BELL CRANK
Possible match (shared part number)Naval Sea Systems Command
3040-01-475-8970124-4322623 PC 1POSSIBLE MATCH
BELL CRANK
Possible match (shared part number)Naval Sea Systems Command
3040-01-475-8979124-4322623 PC 2POSSIBLE MATCH
ARM,BELL CRANK
Possible match (shared part number)Naval Sea Systems Command
3040-01-475-9285124-4322623 PC 7POSSIBLE MATCH
SHAFT,STRAIGHT
Possible match (shared part number)Naval Sea Systems Command
3040-01-475-9289124-4322623 PC 6POSSIBLE MATCH
SHAFT,STRAIGHT
Possible match (shared part number)Naval Sea Systems Command
3040-01-475-9310124-4322623 PC 13POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Naval Sea Systems Command
3040-01-475-9523124-4322623 PC 37POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Naval Sea Systems Command
3040-01-475-9535124-4322623 PC 36POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Naval Sea Systems Command
3020-01-475-9628124-4322623 PC 24POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Naval Sea Systems Command
NSN 3040-01-475-8911 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 3040-01-475-8911?
NSN 3040-01-475-8911 has 2 manufacturer part numbers on file: 124-4322623 PC 12 (Naval Sea Systems Command), 124-4322621 PC 18 (Naval Sea Systems Command).
What NSN replaces 3040-01-475-8911?
11 possible matches (shared part number, not a government interchangeability claim): 3040-01-475-8927, 3040-01-475-8933, 3040-01-475-8970. Verify interchangeability with system specifications before substitution.
What are the specifications of 124-4322623 PC 12?
Key specifications for 124-4322623 PC 12: Surface Finish: 125.0 MICROINCHES; First End Diameter: 1.1250 INCHES NOMINAL IN; First End Distance From Keyway Center to End: 0.875 INCHES NOMINAL IN; First End Style: WOODRUFF KEYWAY. 9 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-475-8911 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.
What is the DEMIL code for NSN 3040-01-475-8911?
NSN 3040-01-475-8911 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.