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MCM183 — CONNECTOR,TUBING,STRAIGHT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

MCM183: CONNECTOR,TUBING,STRAIGHT.

The CONNECTOR,TUBING,STRAIGHT is a the manufacturer industrial component. Key specifications include overall_length: 21.000 INCHES NOMINAL IN, special_features: STYLE IS K11; O/S DIAMETER 6 INCHES IN, end_item_identification: DIESEL ENGINE, part_name_assigned_by_controlling_agency: 6 INCH DIAMETER CONNECTOR 21 INCH TUBE IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-498-4405, 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
MCM183
NSN: 4730-01-498-4405
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0VP52 — FINCANTIERI MARINE SYSTEMS NORTH AMERICA, INC. DBA FINCANTIERI MARINE SYSTEMS NORTH AM (USA)
SPECIFICATIONS
overall_length21.000 INCHES NOMINAL IN
special_featuresSTYLE IS K11; O/S DIAMETER 6 INCHES IN
end_item_identificationDIESEL ENGINE
part_name_assigned_by_controlling_agency6 INCH DIAMETER CONNECTOR 21 INCH TUBE IN
NSN4730-01-498-4405
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MCM183 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS
OVERALL LENGTH21.000 INCHES NOMINAL IN
SPECIAL FEATURESSTYLE IS K11; O/S DIAMETER 6 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCY6 INCH DIAMETER CONNECTOR 21 INCH TUBE IN
END ITEM IDENTIFICATIONDIESEL ENGINE
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 MCM183?
MCM183 is a CONNECTOR,TUBING,STRAIGHT.
What is the NSN for MCM183?
MCM183 is cataloged in the U.S. Government catalog under NSN 4730-01-498-4405. 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.