PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51817Gear Rack

Philips Electronic Instruments Inc · NSN 3020-00-449-8857 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-449-8857 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-449-8857. Primary manufacturer part number: 51817.
Features
  • Gear Rack — FSC 3020
  • 1 verified cross-reference
  • Primary manufacturer: Philips Electronic Instruments Inc
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear Rack, cataloged under National Stock Number 3020-00-449-8857, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Philips Electronic Instruments Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-449-8857
Primary Part Number51817
Item NameGear Rack
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerPhilips Electronic Instruments Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4720-00-327-544351817 INTERCHANGEABLE
Duct,air Distributi
L3harris Technologies, Inc Div Space & Airborne Systems
3455-01-046-0147 INTERCHANGEABLE
File,rotary
5998-01-174-214351817 INTERCHANGEABLE
Circuit Card Assembly
Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
8030-01-573-1149 INTERCHANGEABLE
Sealing Compound
7025-01-715-812351817 INTERCHANGEABLE
Display Unit
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
51817 PRIMARY Philips Electronic Instruments Inc (USA)
Related Parts
4720-00-327-5443INTERCHANGEABLE
DUCT,AIR DISTRIBUTI
51817
3455-01-046-0147INTERCHANGEABLE
FILE,ROTARY
5998-01-174-2143INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
51817
8030-01-573-1149INTERCHANGEABLE
SEALING COMPOUND
7025-01-715-8123INTERCHANGEABLE
DISPLAY UNIT
51817

Frequently Asked Questions

What is NSN 3020-00-449-8857?

NSN 3020-00-449-8857 is a Gear Rack, manufactured by Philips Electronic Instruments Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-449-8857?

NSN 3020-00-449-8857 has 1 cross-referenced part number: 51817 (Philips Electronic Instruments Inc).

What NSN replaces 3020-00-449-8857?

There are 5 known substitutes for 3020-00-449-8857: 4720-00-327-5443, 3455-01-046-0147, 5998-01-174-2143 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51817?

Key specifications for 51817: Special Features: END ITEM: X-RAY APPARATUS,NSN 6635-00-478-3870. 1 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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