PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

349371Filtering Disk,fluid

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 4330-00-776-0692 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-00-776-0692 — this item is cataloged by the U.S. Government under National Stock Number 4330-00-776-0692. Primary manufacturer part number: 349371.
Features
  • Filtering Disk,fluid — FSC 4330
  • Design Type: NONREUSABLE
  • Filtration Rating in Microns: 0.45 ABSOLUTE
  • Body Diameter: 5.625 INCHES NOMINAL IN
  • Filtering Media Design: CELLULAR SINGLE FILTERING MEDIA RESPONSE
  • Material: CELLULOSE ACETATE FILTERING MEDIUM
  • Media for Which Designed: WATER, DEMINERALIZED
  • Style Designator: ROUND (BASICALLY FLAT)
Applications
  • Applications requiring Cellulose Acetate Filtering Medium construction
General Description

The Filtering Disk,fluid, cataloged under National Stock Number 4330-00-776-0692, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 7 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4330-00-776-0692
Primary Part Number349371
Item NameFiltering Disk,fluid
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusACTIVE
Design TypeNONREUSABLE
Filtration Rating in Microns0.45 ABSOLUTE
Body Diameter5.625 INCHES NOMINAL IN
Filtering Media DesignCELLULAR SINGLE FILTERING MEDIA RESPONSE
MaterialCELLULOSE ACETATE FILTERING MEDIUM
Media for Which DesignedWATER, DEMINERALIZED
Style DesignatorROUND (BASICALLY FLAT)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5133-00-189-9247 INTERCHANGEABLE
Drill,twist
3455-00-239-5596 INTERCHANGEABLE
Cutter,milling,involute Gear
5930-00-259-733518002-0 INTERCHANGEABLE
Switch,thermostatic
Kidde-Fenwal, Llc
2805-00-312-879218002 INTERCHANGEABLE
Plug,crank Pin
R.h. Industries, Inc.
5120-00-403-4555 INTERCHANGEABLE
Pliers
2520-00-585-8598114-8205 INTERCHANGEABLE
Spider,universal Joint,vehicular
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
4520-01-012-3055 INTERCHANGEABLE
Heater,duct Type,portable
5360-01-073-177718002 INTERCHANGEABLE
Spring
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5962-01-117-874718002 INTERCHANGEABLE
Microcircuit
Sypris Electronics, Llc Dba Sypris Electronics Llc
6685-01-167-48401800-002-00 INTERCHANGEABLE
Gage,pressure,dial Indicating
Qed Inc Dba Qed Inc
Cross-Reference Index
Part NumberManufacturer
MF25MEMBRANE Barnstead Thermolyne Corporation Dba Barnstead International Div Laboratory Equipment (USA)
349371 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
18002 Barnstead Thermolyne Corporation Dba Barnstead International Div Laboratory Equipment (USA)
Related Parts
5133-00-189-9247INTERCHANGEABLE
DRILL,TWIST
3455-00-239-5596INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
5930-00-259-7335INTERCHANGEABLE
SWITCH,THERMOSTATIC
18002-0
2805-00-312-8792INTERCHANGEABLE
PLUG,CRANK PIN
18002
5120-00-403-4555INTERCHANGEABLE
PLIERS
2520-00-585-8598INTERCHANGEABLE
SPIDER,UNIVERSAL JOINT,VEHICULAR
114-8205
4520-01-012-3055INTERCHANGEABLE
HEATER,DUCT TYPE,PORTABLE
5360-01-073-1777INTERCHANGEABLE
SPRING
18002
5962-01-117-8747INTERCHANGEABLE
MICROCIRCUIT
18002
6685-01-167-4840INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
1800-002-00
4240-01-295-4305INTERCHANGEABLE
CARABINER
18502
5840-01-309-0079INTERCHANGEABLE
KEYBOARD,DATA ENTRY

Frequently Asked Questions

What is NSN 4330-00-776-0692?

NSN 4330-00-776-0692 is a Filtering Disk,fluid, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 4330 (No Item Name Available). Status: active.

What are the part numbers for NSN 4330-00-776-0692?

NSN 4330-00-776-0692 has 3 cross-referenced part numbers: MF25MEMBRANE (Barnstead Thermolyne Corporation Dba Barnstead International Div Laboratory Equipment), 349371 (Lockheed Martin Corporation Div Rms - Mitchel Field), 18002 (Barnstead Thermolyne Corporation Dba Barnstead International Div Laboratory Equipment).

What NSN replaces 4330-00-776-0692?

There are 12 known substitutes for 4330-00-776-0692: 5133-00-189-9247, 3455-00-239-5596, 5930-00-259-7335 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 349371?

Key specifications for 349371: Design Type: NONREUSABLE; Filtration Rating in Microns: 0.45 ABSOLUTE; Body Diameter: 5.625 INCHES NOMINAL IN; Special Features: ONLY SUPPLIED 10 PER PKG. 8 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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