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240-0749 — REDUCER,TUBE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

240-0749: REDUCER,TUBE.

The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, reducer_type: CONCENTRIC, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: PLAIN (TUBE) ALL ENDS, special_features: WEAPON SYSTEM ESSENTIAL, surface_treatment: ALUMINUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-554-5662, 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
240-0749
NSN: 5330-00-554-5662
NIINs: 005545662, 013604357
FSC: 5330 — Packing and Gasket Materials
CAGE: 50804 — XES INC XEROX ENGINEERING SERVICE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
reducer_typeCONCENTRIC
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_stylePLAIN (TUBE) ALL ENDS
special_featuresWEAPON SYSTEM ESSENTIAL
surface_treatmentALUMINUM OVERALL
nominal_overall_length6.000 INCHES IN
criticality_code_justificationFEAT
nominal_outside_diameter_tube_accommodated5.000 INCHES FIRST END IN
NSN5330-00-554-5662
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 240-0749 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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SUPPLEMENTARY FEATURES: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURESCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
SPECIAL FEATURESSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
SUBSTITUTES & CROSS-REFERENCES 3
14019-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
014018-001Reference document
Same NSN cross-reference
Reference document — Secondary reference
14018-001Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 240-0749?
240-0749 is a REDUCER,TUBE.
What parts can replace 240-0749?
There are 3 known substitutes for 240-0749: 14019-2, 014018-001, 14018-001. Substitute compatibility should be verified for your specific system.
What is the NSN for 240-0749?
240-0749 is cataloged in the U.S. Government catalog under NSN 5330-00-554-5662. 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.