NSN 3010-01-377-7426 · NIIN 013777426 · Part number 801-6406768-34
Naval Sea Systems Command · FSC 3010 — Torque Converters and Speed Changers · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3010-01-377-7426 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-377-7426. Manufacturer of record part number: 801-6406768-34.
Also searched as3010-01-377-7426 ·
3010013777426 ·
NIIN 013777426 ·
01-377-7426 ·
FSC 3010 Torque Converters and Speed Changers · CAGE 53711 · 801-6406768-34 · 6406768-34 · 6406768 · 211064363
Spline Minor Diameter: 1.289 INCHES NOMINAL THROUGH BORE IN
Spline Type: STRAIGHT THROUGH BORE
Overall Diameter: 3.380 INCHES NOMINAL IN
Spline Length: 2.535 INCHES NOMINAL THROUGH BORE IN
Style Designator: PLAIN SLEEVE
Spline Major Diameter: 1.501 INCHES NOMINAL THROUGH BORE IN
Bore Shape: SPLINED BOTH ENDS
Identification
NSN: 3010-01-377-7426
NIIN: 013777426
FSC: 3010 — Torque Converters and Speed Changers
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 801-6406768-34
Manufacturer: Naval Sea Systems Command
General Description
The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-377-7426, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
3010-01-377-7426
Primary Part Number
801-6406768-34
Item Name
Coupling,shaft,rigid
FSC / FSG
3010 / 30 — Torque Converters and Speed Changers
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Spline Minor Diameter
1.289 INCHES NOMINAL THROUGH BORE IN
Spline Type
STRAIGHT THROUGH BORE
Overall Diameter
3.380 INCHES NOMINAL IN
Spline Length
2.535 INCHES NOMINAL THROUGH BORE IN
Style Designator
PLAIN SLEEVE
Spline Major Diameter
1.501 INCHES NOMINAL THROUGH BORE IN
Bore Shape
SPLINED BOTH ENDS
Spline Quantity
8 THROUGH BORE
Body Material
STEEL
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 Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-377-7428211053697POSSIBLE MATCH
PLATE,RETAINING,SHAFT
Possible match (shared part number)Naval Sea Systems Command
3040-01-377-9064801-6406768-4POSSIBLE MATCH
WORM SHAFT
Possible match (shared part number)Naval Sea Systems Command
3020-01-377-9204801-6406768-33POSSIBLE MATCH
GEAR SECTOR,WORM WHEEL
Possible match (shared part number)Naval Sea Systems Command
4820-01-379-9075211053692POSSIBLE MATCH
RETAINER,DISK,VALVE
Possible match (shared part number)Naval Sea Systems Command
4820-01-379-9141211069142POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Naval Sea Systems Command
3040-01-433-2562211087674POSSIBLE MATCH
WORM SHAFT
Possible match (shared part number)Naval Sea Systems Command
4820-01-526-922514920526POSSIBLE MATCH
GEAR OPERATOR,VALVE
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
NSN 3010-01-377-7426 is a Coupling,shaft,rigid, manufactured by Naval Sea Systems Command, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
What part numbers are listed for NSN 3010-01-377-7426?
NSN 3010-01-377-7426 has 3 manufacturer part numbers on file: 801-6406768-34 (Naval Sea Systems Command), 6406768-34 (Naval Sea Systems Command), 211064363 (Naval Sea Systems Command).
What NSN replaces 3010-01-377-7426?
7 possible matches (shared part number, not a government interchangeability claim): 3040-01-377-7428, 3040-01-377-9064, 3020-01-377-9204. Verify interchangeability with system specifications before substitution.
What are the specifications of 801-6406768-34?
Key specifications for 801-6406768-34: Spline Minor Diameter: 1.289 INCHES NOMINAL THROUGH BORE IN; Spline Type: STRAIGHT THROUGH BORE; Overall Diameter: 3.380 INCHES NOMINAL IN; Spline Length: 2.535 INCHES NOMINAL THROUGH BORE IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 3010-01-377-7426 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.