PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1039-311Probe,filter Elemen

Crest Ultrasonics Corp · NSN 4940-00-193-8884 · FSC 4940 · No Item Name Available
Verified by PartsTable
NSN 4940-00-193-8884 — this item is cataloged by the U.S. Government under National Stock Number 4940-00-193-8884. Primary manufacturer part number: 1039-311.
Features
  • Probe,filter Elemen — FSC 4940
  • 2 verified cross-references
  • Primary manufacturer: Crest Ultrasonics Corp
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Probe,filter Elemen, cataloged under National Stock Number 4940-00-193-8884, is classified within Federal Supply Class 4940 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Crest Ultrasonics Corp. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameProbe,filter Elemen
FSC / FSG4940 — No Item Name Available (FSG 49)
ManufacturersCrest Ultrasonics Corp (CAGE 22221); Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003)
Technical Specifications
ParameterValue
NSN4940-00-193-8884
Primary Part Number1039-311
Item NameProbe,filter Elemen
FSC / FSG4940 / 49 — No Item Name Available
ManufacturerCrest Ultrasonics Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3020-00-517-43661039311 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5342-01-328-5048103931-1 INTERCHANGEABLE
Stop,rotor
Hartwell Corporation
5935-01-337-6085 INTERCHANGEABLE
Connector Body,plug,electrical
Cross-Reference Index
Part NumberManufacturer
1039-311 PRIMARY Crest Ultrasonics Corp (USA)
63A109C139-2 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Related Parts
3020-00-517-4366INTERCHANGEABLE
GEAR,SPUR
1039311
5342-01-328-5048INTERCHANGEABLE
STOP,ROTOR
103931-1
5935-01-337-6085INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL

Frequently Asked Questions

What is NSN 4940-00-193-8884?

NSN 4940-00-193-8884 is a Probe,filter Elemen, manufactured by Crest Ultrasonics Corp, classified under FSC 4940 (No Item Name Available). Status: active.

What are the part numbers for NSN 4940-00-193-8884?

NSN 4940-00-193-8884 has 2 cross-referenced part numbers: 1039-311 (Crest Ultrasonics Corp), 63A109C139-2 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).

What NSN replaces 4940-00-193-8884?

There are 3 known substitutes for 4940-00-193-8884: 3020-00-517-4366, 5342-01-328-5048, 5935-01-337-6085. Verify interchangeability with system specifications before substitution.

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