PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5-4-9899Lubricant,303 Aeros

W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center · NSN 4240-01-574-7818 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-574-7818 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-574-7818. Primary manufacturer part number: 5-4-9899.
Features
  • Lubricant,303 Aeros — FSC 4240
  • 3 verified cross-references
  • Primary manufacturer: W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Lubricant,303 Aeros, cataloged under National Stock Number 4240-01-574-7818, is classified within Federal Supply Class 4240 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-574-7818
Primary Part Number5-4-9899
Item NameLubricant,303 Aeros
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerW1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2530-00-450-927130307L INTERCHANGEABLE
Axle Housing
Midwest Gear & Tool, Inc.
6625-00-488-4040303-07 INTERCHANGEABLE
Voltmeter
Ballantine Laboratories Inc
2940-00-521-8488K0030309 INTERCHANGEABLE
Air Cleaner,intake
Leroi International Inc Dba Compair Leroi
5910-00-648-7503AP071B INTERCHANGEABLE
Capacitor,variable,mica Dielectr
F W Capacitors Inc
1650-00-946-875130307 INTERCHANGEABLE
Piston,damper
The Boeing Company Div Defense
5950-01-079-4710 INTERCHANGEABLE
Transformer,pulse
3110-01-139-612330307 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
5905-01-245-635530307 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Elbitamerica, Inc.
5950-01-335-48289355993 INTERCHANGEABLE
Transformer,pulse
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
Cross-Reference Index
Part NumberManufacturer
5-4-9899 W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA)
1830305 Patriot Marine Inc (USA)
30307 Gold Eagle Co. (USA)
Related Parts
2530-00-450-9271INTERCHANGEABLE
AXLE HOUSING
30307L
6625-00-488-4040INTERCHANGEABLE
VOLTMETER
303-07
2940-00-521-8488INTERCHANGEABLE
AIR CLEANER,INTAKE
K0030309
5910-00-648-7503INTERCHANGEABLE
CAPACITOR,VARIABLE,MICA DIELECTR
AP071B
1650-00-946-8751INTERCHANGEABLE
PISTON,DAMPER
30307
5950-01-079-4710INTERCHANGEABLE
TRANSFORMER,PULSE
3110-01-139-6123INTERCHANGEABLE
BEARING,ROLLER,TAPERED
30307
5905-01-245-6355INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
30307
5950-01-335-4828INTERCHANGEABLE
TRANSFORMER,PULSE
9355993

Frequently Asked Questions

What is NSN 4240-01-574-7818?

NSN 4240-01-574-7818 is a Lubricant,303 Aeros, manufactured by W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-574-7818?

NSN 4240-01-574-7818 has 3 cross-referenced part numbers: 5-4-9899 (W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center), 1830305 (Patriot Marine Inc), 30307 (Gold Eagle Co.).

What NSN replaces 4240-01-574-7818?

There are 9 known substitutes for 4240-01-574-7818: 2530-00-450-9271, 6625-00-488-4040, 2940-00-521-8488 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5-4-9899?

Key specifications for 5-4-9899: End Item Identification: 4240-01-574-7818. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com