NSN 3020-01-433-8330 · NIIN 014338330 · Part number 752-6406847-9
Naval Sea Systems Command · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3020-01-433-8330 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-433-8330. Manufacturer of record part number: 752-6406847-9.
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 752-6406847-9
Manufacturer: Naval Sea Systems Command
General Description
The Gear Rack, cataloged under National Stock Number 3020-01-433-8330, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government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
3020-01-433-8330
Primary Part Number
752-6406847-9
Item Name
Gear Rack
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Teeth Quantity
11
Pitch Height
1.0150 INCHES NOMINAL IN
Precision Classification
QUALITY NUMBER 10
Teeth Type
SPUR
Nominal Overall Length
3.480 INCHES IN
Style Designator
SQUARE OR RECTANGULAR
Surface Treatment
PHOSPHATE OVERALL
Pressure Angle
20.0000 DEGREES
Material
STEEL COMP 4140 OVERALL
Nominal Thickness
1.280 INCHES IN
Face Nominal Width
0.880 INCHES 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 Items10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3020-01-433-8331752-6406847-10POSSIBLE MATCH
GEAR RACK
Possible match (shared part number)Naval Sea Systems Command
3040-01-433-8332752-6406847-56POSSIBLE MATCH
GEARSHAFT,SPUR
Possible match (shared part number)Naval Sea Systems Command
3020-01-433-8691752-6406847-14POSSIBLE MATCH
LINK,SPLINED
Possible match (shared part number)Naval Sea Systems Command
3040-01-433-8694752-6406847-16POSSIBLE MATCH
GUIDE,MECHANICAL
Possible match (shared part number)Naval Sea Systems Command
3040-01-433-8698752-6406847-15POSSIBLE MATCH
GUIDE,MECHANICAL
Possible match (shared part number)Naval Sea Systems Command
3020-01-433-8701752-6406847-55POSSIBLE MATCH
LINK,SPLINED
Possible match (shared part number)Naval Sea Systems Command
1450-01-442-0374752-6406847-64POSSIBLE MATCH
INSERT,HORIZONTAL,L
Possible match (shared part number)Naval Sea Systems Command
1450-01-442-0386752-6406847-62POSSIBLE MATCH
INSERT,HORIZONTAL,L
Possible match (shared part number)Naval Sea Systems Command
1450-01-442-0396752-6406847-68POSSIBLE MATCH
INSERT,HORIZONTAL,L
Possible match (shared part number)Naval Sea Systems Command
1450-01-451-9307752-6406847 FIND 63POSSIBLE MATCH
INSERT,HORIZONTAL
Possible match (shared part number)Naval Sea Systems Command
C/1Advisory reference — outside the item-of-supply concept
Naval Sea Systems Command
DF1706-433 FN 9
5/9Secondary reference
Huntington Ingalls Inc Div Newport News Shipbuilding
6406847
D/9Drawing number reference only
Naval Sea Systems Command
Related Parts
3020-01-433-8331POSSIBLE MATCH
GEAR RACK
752-6406847-10
3040-01-433-8332POSSIBLE MATCH
GEARSHAFT,SPUR
752-6406847-56
3020-01-433-8691POSSIBLE MATCH
LINK,SPLINED
752-6406847-14
3040-01-433-8694POSSIBLE MATCH
GUIDE,MECHANICAL
752-6406847-16
3040-01-433-8698POSSIBLE MATCH
GUIDE,MECHANICAL
752-6406847-15
3020-01-433-8701POSSIBLE MATCH
LINK,SPLINED
752-6406847-55
1450-01-442-0374POSSIBLE MATCH
INSERT,HORIZONTAL,L
752-6406847-64
1450-01-442-0386POSSIBLE MATCH
INSERT,HORIZONTAL,L
752-6406847-62
1450-01-442-0396POSSIBLE MATCH
INSERT,HORIZONTAL,L
752-6406847-68
1450-01-451-9307POSSIBLE MATCH
INSERT,HORIZONTAL
752-6406847 FIND 63
Frequently Asked Questions
What is NSN 3020-01-433-8330?
NSN 3020-01-433-8330 is a Gear Rack, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-01-433-8330?
NSN 3020-01-433-8330 has 1 manufacturer part number on file: 752-6406847-9 (Naval Sea Systems Command).
What NSN replaces 3020-01-433-8330?
10 possible matches (shared part number, not a government interchangeability claim): 3020-01-433-8331, 3040-01-433-8332, 3020-01-433-8691. Verify interchangeability with system specifications before substitution.
What are the specifications of 752-6406847-9?
Key specifications for 752-6406847-9: Teeth Quantity: 11; Pitch Height: 1.0150 INCHES NOMINAL IN; Precision Classification: QUALITY NUMBER 10; Teeth Type: SPUR. 11 specifications are documented in the U.S. Government catalog.
Is NSN 3020-01-433-8330 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 3020-01-433-8330?
NSN 3020-01-433-8330 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.