PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8544Gear,screw Jack

Cef Industries Inc Environ Div · NSN 3020-00-863-4320 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-863-4320 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-863-4320. Primary manufacturer part number: 8544.
Features
  • Gear,screw Jack — FSC 3020
  • 3 verified cross-references
  • Primary manufacturer: Cef Industries Inc Environ Div
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Power transmission and speed reduction
  • Rotary motion transfer
General Description

The Gear,screw Jack, cataloged under National Stock Number 3020-00-863-4320, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Cef Industries Inc Environ Div. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGear,screw Jack
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersCef Industries Inc Environ Div (CAGE 63665); Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (CAGE 78062)
Technical Specifications
ParameterValue
NSN3020-00-863-4320
Primary Part Number8544
Item NameGear,screw Jack
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerCef Industries Inc Environ Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-144-31838544 INTERCHANGEABLE
Seat,orifice
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division
2990-00-146-0710T-8544 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
7050-00-413-22468392 INTERCHANGEABLE
Converter,digital to Analog
Analog Devices, Inc. Div Corporate Headquarters
5961-00-439-08718544 INTERCHANGEABLE
Rectifier,semiconductor Device,u
Carlisle & Finch Co
4920-00-490-25158544 INTERCHANGEABLE
Window,synchro Angl
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
3020-00-863-43218544 INTERCHANGEABLE
Pinion,screw Jack
Cef Industries Inc Environ Div
4820-01-130-8816A6794.025.132 INTERCHANGEABLE
Stem,fluid Valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-131-2342D5OFF-03-2 1/2IN INTERCHANGEABLE
Valve,safety Relief
Dante Valve Company
5310-01-199-2290 INTERCHANGEABLE
Nut,self-Locking,hexagon
4820-01-199-4474E8544C41M INTERCHANGEABLE
Valve,safety Relief
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
Cross-Reference Index
Part NumberManufacturer
8544 PRIMARY Cef Industries Inc Environ Div (USA)
457C4 Cef Industries Inc Environ Div (USA)
457C4 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
4820-00-144-3183INTERCHANGEABLE
SEAT,ORIFICE
8544
2990-00-146-0710INTERCHANGEABLE
MUFFLER,EXHAUST
T-8544
7050-00-413-2246INTERCHANGEABLE
CONVERTER,DIGITAL TO ANALOG
8392
5961-00-439-0871INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE,U
8544
4920-00-490-2515INTERCHANGEABLE
WINDOW,SYNCHRO ANGL
8544
3020-00-863-4321INTERCHANGEABLE
PINION,SCREW JACK
8544
4820-01-130-8816INTERCHANGEABLE
STEM,FLUID VALVE
A6794.025.132
4820-01-131-2342INTERCHANGEABLE
VALVE,SAFETY RELIEF
D5OFF-03-2 1/2IN
5310-01-199-2290INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
4820-01-199-4474INTERCHANGEABLE
VALVE,SAFETY RELIEF
E8544C41M
5996-01-207-8030INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
1680-01-218-2079INTERCHANGEABLE
GEAR BOX,FLAP JK-SC
8544

Frequently Asked Questions

What is NSN 3020-00-863-4320?

NSN 3020-00-863-4320 is a Gear,screw Jack, manufactured by Cef Industries Inc Environ Div, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-863-4320?

NSN 3020-00-863-4320 has 3 cross-referenced part numbers: 8544 (Cef Industries Inc Environ Div), 457C4 (Cef Industries Inc Environ Div), 457C4 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 3020-00-863-4320?

There are 12 known substitutes for 3020-00-863-4320: 4820-00-144-3183, 2990-00-146-0710, 7050-00-413-2246 and 9 more. Verify interchangeability with system specifications before substitution.

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