PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7550479-3009340940-3Gear Rack

Naval Sea Systems Command · NSN 3020-01-546-7953 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-546-7953 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-546-7953. Primary manufacturer part number: 7550479-3009340940-3.
Features
  • Gear Rack — FSC 3020
  • Criticality Code Justification: FEAT
  • 10 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear Rack, cataloged under National Stock Number 3020-01-546-7953, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-546-7953
Primary Part Number7550479-3009340940-3
Item NameGear Rack
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4210-00-066-049541134J INTERCHANGEABLE
Tube Assembly,test
Griswold Industries Dba Cla-Val Co
5133-00-189-9324 INTERCHANGEABLE
Drill,twist
4820-00-425-000741134 INTERCHANGEABLE
Disk,valve
Jenny Products, Inc
6645-00-848-8490105119 INTERCHANGEABLE
Meter,time Totalizing
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5330-00-874-0626378048 INTERCHANGEABLE
Seal
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
4140-01-328-518041134 INTERCHANGEABLE
Fan,ventilating
Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion
3020-01-475-695141134 INTERCHANGEABLE
Gear Rack
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
G547-0003-3009340940-3D4 Naval Inventory Control Point Mechanicsburg (USA)
41134D4 Naval Inventory Control Point Mechanicsburg (USA)
41134 Moog Inc. Dba Ampac-Isp Corp (USA)
30093-40940 ITEM 3 Moog Inc. Dba Ampac-Isp Corp (USA)
3009340940-3D4 Naval Inventory Control Point Mechanicsburg (USA)
7550479-3009340940-3 PRIMARY Naval Sea Systems Command (USA)
3009340940-3 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
7550479-3009340940-3D4 Naval Inventory Control Point Mechanicsburg (USA)
30093-40940 ITEM 3D4 Naval Inventory Control Point Mechanicsburg (USA)
G547-0003-3009340940-3 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
4210-00-066-0495INTERCHANGEABLE
TUBE ASSEMBLY,TEST
41134J
5133-00-189-9324INTERCHANGEABLE
DRILL,TWIST
4820-00-425-0007INTERCHANGEABLE
DISK,VALVE
41134
6645-00-848-8490INTERCHANGEABLE
METER,TIME TOTALIZING
105119
5330-00-874-0626INTERCHANGEABLE
SEAL
378048
4140-01-328-5180INTERCHANGEABLE
FAN,VENTILATING
41134
3020-01-475-6951INTERCHANGEABLE
GEAR RACK
41134

Frequently Asked Questions

What is NSN 3020-01-546-7953?

NSN 3020-01-546-7953 is a Gear Rack, manufactured by Naval Sea Systems Command, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-546-7953?

NSN 3020-01-546-7953 has 10 cross-referenced part numbers: G547-0003-3009340940-3D4 (Naval Inventory Control Point Mechanicsburg), 41134D4 (Naval Inventory Control Point Mechanicsburg), 41134 (Moog Inc. Dba Ampac-Isp Corp), 30093-40940 ITEM 3 (Moog Inc. Dba Ampac-Isp Corp), 3009340940-3D4 (Naval Inventory Control Point Mechanicsburg) and 5 more.

What NSN replaces 3020-01-546-7953?

There are 7 known substitutes for 3020-01-546-7953: 4210-00-066-0495, 5133-00-189-9324, 4820-00-425-0007 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7550479-3009340940-3?

Key specifications for 7550479-3009340940-3: Special Features: QUALITY ASSURANCE TESTED AND CERTIFIED FOR DEEP SUBMERGENCE SYSTEMS; Criticality Code Justification: FEAT. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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