NSN 3040-01-377-9309 · NIIN 013779309 · Part number 801-6406709 FIND 27
Naval Sea Systems Command · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3040-01-377-9309 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-377-9309. Manufacturer of record part number: 801-6406709 FIND 27.
Also searched as3040-01-377-9309 ·
3040013779309 ·
NIIN 013779309 ·
01-377-9309 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 53711 · 801-6406709 FIND 27 · 211041093 · 6406709 · 801-6406709-27
Nearby stock numbers← 3040-01-377-9064 Worm Shaft
·
3040-01-377-9353 Parts Kit, Linear Actuating Cylin →
Features
Shaft,shouldered — FSC 3040
Step Quantity: 3
First End Diameter: 0.3080 INCHES NOMINAL IN
Largest Step Diameter: 0.7100 INCHES NOMINAL IN
Material Document and Classification: QQ-S-763, COND A FED SPEC SINGLE MATERIAL RESPONSE
End Similarity: NOT IDENTICAL
Material: STEEL CORROSION RESISTING
2 manufacturer part numbers on file
Identification
NSN: 3040-01-377-9309
NIIN: 013779309
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 801-6406709 FIND 27
Manufacturer: Naval Sea Systems Command
General Description
The Shaft,shouldered, cataloged under National Stock Number 3040-01-377-9309, 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 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government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
3040-01-377-9309
Primary Part Number
801-6406709 FIND 27
Item Name
Shaft,shouldered
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Step Quantity
3
First End Diameter
0.3080 INCHES NOMINAL IN
Largest Step Diameter
0.7100 INCHES NOMINAL IN
Material Document and Classification
QQ-S-763, COND A FED SPEC SINGLE MATERIAL RESPONSE
End Similarity
NOT IDENTICAL
Material
STEEL CORROSION RESISTING
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 Items10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-378-5015211041080POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Naval Sea Systems Command
3020-01-379-3097211071415POSSIBLE MATCH
GEAR,INTERNAL
Possible match (shared part number)Naval Sea Systems Command
3040-01-383-5253211052706POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Naval Sea Systems Command
3020-01-383-5531211071414POSSIBLE MATCH
GEAR,INTERNAL
Possible match (shared part number)Naval Sea Systems Command
3020-01-416-33126406709-78POSSIBLE MATCH
GEAR,INTERNAL
Possible match (shared part number)Naval Sea Systems Command
4820-01-416-6864801-6406709-AY90POSSIBLE MATCH
GEAR OPERATOR,VALVE
Possible match (shared part number)Naval Sea Systems Command
3020-01-421-5277801-6406709 FIND 81POSSIBLE MATCH
GEAR,INTERNAL
Possible match (shared part number)Naval Sea Systems Command
4820-01-422-2300211041091POSSIBLE MATCH
VALVE RELEASE BUTTON
Possible match (shared part number)Naval Sea Systems Command
4820-01-434-7956801-6406709-89POSSIBLE MATCH
INDICATOR,VALVE OPENING
Possible match (shared part number)Naval Sea Systems Command
3040-01-438-1471211094741POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Naval Sea Systems Command
C/1Advisory reference — outside the item-of-supply concept
Naval Sea Systems Command
Related Parts
3040-01-378-5015POSSIBLE MATCH
SHAFT,SHOULDERED
211041080
3020-01-379-3097POSSIBLE MATCH
GEAR,INTERNAL
211071415
3040-01-383-5253POSSIBLE MATCH
SHAFT,SHOULDERED
211052706
3020-01-383-5531POSSIBLE MATCH
GEAR,INTERNAL
211071414
3020-01-416-3312POSSIBLE MATCH
GEAR,INTERNAL
6406709-78
4820-01-416-6864POSSIBLE MATCH
GEAR OPERATOR,VALVE
801-6406709-AY90
3020-01-421-5277POSSIBLE MATCH
GEAR,INTERNAL
801-6406709 FIND 81
4820-01-422-2300POSSIBLE MATCH
VALVE RELEASE BUTTON
211041091
4820-01-434-7956POSSIBLE MATCH
INDICATOR,VALVE OPENING
801-6406709-89
3040-01-438-1471POSSIBLE MATCH
SHAFT,SHOULDERED
211094741
Frequently Asked Questions
What is NSN 3040-01-377-9309?
NSN 3040-01-377-9309 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-377-9309?
NSN 3040-01-377-9309 has 2 manufacturer part numbers on file: 211041093 (Naval Sea Systems Command), 801-6406709 FIND 27 (Naval Sea Systems Command).
What NSN replaces 3040-01-377-9309?
10 possible matches (shared part number, not a government interchangeability claim): 3040-01-378-5015, 3020-01-379-3097, 3040-01-383-5253. Verify interchangeability with system specifications before substitution.
What are the specifications of 801-6406709 FIND 27?
Key specifications for 801-6406709 FIND 27: Step Quantity: 3; First End Diameter: 0.3080 INCHES NOMINAL IN; Largest Step Diameter: 0.7100 INCHES NOMINAL IN; Material Document and Classification: QQ-S-763, COND A FED SPEC SINGLE MATERIAL RESPONSE. 6 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-377-9309 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.