PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RB18983Filter Element,fluid

Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec · NSN 4330-00-888-7657 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-00-888-7657 — this item is cataloged by the U.S. Government under National Stock Number 4330-00-888-7657. Primary manufacturer part number: RB18983.
Features
  • Filter Element,fluid — FSC 4330
  • Material: STEEL CORROSION RESISTING FILTERING MEDIUM
  • FSC Application Data: TEST SET,FLIGHT CONTROL SYSTEM,NOT INTEGRAL WITH EQUIPMENT
  • Flow Direction: PARALLEL
  • Design Type: REUSABLE
  • Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE
  • Filtration Rating in Microns: 40.0 NOMINAL
  • 3 verified cross-references
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Steel Corrosion Resisting Filtering Medium construction
General Description

The Filter Element,fluid, cataloged under National Stock Number 4330-00-888-7657, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4330-00-888-7657
Primary Part NumberRB18983
Item NameFilter Element,fluid
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
StatusACTIVE
MaterialSTEEL CORROSION RESISTING FILTERING MEDIUM
FSC Application DataTEST SET,FLIGHT CONTROL SYSTEM,NOT INTEGRAL WITH EQUIPMENT
Flow DirectionPARALLEL
Design TypeREUSABLE
Filtering Media DesignMESH SINGLE FILTERING MEDIA RESPONSE
Filtration Rating in Microns40.0 NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5905-00-022-4079318802 INTERCHANGEABLE
Resistor,fixed,wire Wound
Telemechanics Inc
4730-00-314-6546SAE J514/1 16 070110C INTERCHANGEABLE
Nut,tube Coupling
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
40-48-12380-45 Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in (USA)
RB18983 PRIMARY Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA)
048110 Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in (USA)
Related Parts
5905-00-022-4079INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
318802
4730-00-314-6546INTERCHANGEABLE
NUT,TUBE COUPLING
SAE J514/1 16 070110C

Frequently Asked Questions

What is NSN 4330-00-888-7657?

NSN 4330-00-888-7657 is a Filter Element,fluid, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 4330 (No Item Name Available). Status: active.

What are the part numbers for NSN 4330-00-888-7657?

NSN 4330-00-888-7657 has 3 cross-referenced part numbers: 40-48-12380-45 (Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in), RB18983 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec), 048110 (Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in).

What NSN replaces 4330-00-888-7657?

There are 2 known substitutes for 4330-00-888-7657: 5905-00-022-4079, 4730-00-314-6546. Verify interchangeability with system specifications before substitution.

What are the specifications of RB18983?

Key specifications for RB18983: Material: STEEL CORROSION RESISTING FILTERING MEDIUM; FSC Application Data: TEST SET,FLIGHT CONTROL SYSTEM,NOT INTEGRAL WITH EQUIPMENT; Flow Direction: PARALLEL; Design Type: REUSABLE. 6 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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