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Technical Data Sheet
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FB103 — FB103

✓ Government record, cited
LDI INDUSTRIES, INC. DBA LDI INDUSTRIES INC · COMPONENT
PRODUCT OVERVIEW

FB103: FB103.

The FB103 is a LDI INDUSTRIES, INC. DBA LDI INDUSTRIES INC industrial component. This part is cataloged in the U.S.

Government catalog under NSN 4330-01-456-6668, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
FB103
NSN: 4330-01-456-6668
FSC: 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters
CAGE: 24346 — LDI INDUSTRIES, INC. DBA LDI INDUSTRIES INC (USA)
SPECIFICATIONS
Part NumberFB103
ManufacturerLDI INDUSTRIES, INC. DBA LDI INDUSTRIES INC
NSN4330-01-456-6668
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: LDI INDUSTRIES, INC. DBA LDI INDUSTRIES INC FB103 TITLE COMPONENT PN FB103 MFR LDI INDUSTRIES, INC. DBA LDI INDUSTRIES INC FB103
KEY FEATURES
•
OVERALL DIAMETER: 3.250 INCHES NOMINAL IN
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STRAINER ASSEMBLY,SUMP. 40 MICRON AIR FILTER/BREATHER TO HANDLE 30 CU. FT. OF AIR PER MINUTE AT 1 IN. HG DIFFERENTIAL PRESSURE. EQUIPPED WITH 30 MESH 3 IN. CRES STRAINER. WITHOUT RIGID INNER GUARD. IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT5.080 INCHES NOMINAL IN
OVERALL DIAMETER3.250 INCHES NOMINAL IN
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTRAINER ASSEMBLY,SUMP. 40 MICRON AIR FILTER/BREATHER TO HANDLE 30 CU. FT. OF AIR PER MINUTE AT 1 IN. HG DIFFERENTIAL PRESSURE. EQUIPPED WITH 30 MESH 3 IN. CRES STRAINER. WITHOUT RIGID INNER GUARD. IN
SUBSTITUTES & CROSS-REFERENCES 2
6W387Reference document
Same NSN cross-reference
Reference document — Secondary reference
200023Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is FB103?
FB103 is a FB103 manufactured by LDI INDUSTRIES, INC. DBA LDI INDUSTRIES INC.
What parts can replace FB103?
There are 2 known substitutes for FB103: 6W387, 200023. Substitute compatibility should be verified for your specific system.
What is the NSN for FB103?
FB103 is cataloged in the U.S. Government catalog under NSN 4330-01-456-6668. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.