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Technical Data Sheet
PartsTable / COMPONENT / 171SC0409000
171SC0409000 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include shape: ROUND, material: FIBER CASE, anode_type: PLAIN FOIL, body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_width: 3.688 INCHES NOMINAL IN, bore_shape: STRAIGHT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-221-2138, 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
171SC0409000
NSN: 4730-00-221-2138
FSC: 4730
CAGE: 40152 — VME AMERICAS INC SUB OF VME GROUP N V (USA)
SPECIFICATIONS
shapeROUND
materialFIBER CASE
anode_typePLAIN FOIL
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_width3.688 INCHES NOMINAL IN
bore_shapeSTRAIGHT
bore_styleW/ KEYWAY BOTH ENDS
teeth_typeSINGLE HELIX
tooth_formSTANDARD
body_height5.062 INCHES NOMINAL IN
body_length2.000 INCHES NOMINAL IN
finger_typeBANANA SPRING ALL FINGERS
NSN4730-00-221-2138
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 171SC0409000 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
005-300-0009Interchangeable
interchangeable cross-reference
interchangeable
18-3-7Interchangeable
interchangeable cross-reference
interchangeable
143934-01Interchangeable
interchangeable cross-reference
interchangeable
143934Interchangeable
interchangeable cross-reference
interchangeable
5831275Interchangeable
interchangeable cross-reference
interchangeable
280026-133Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 171SC0409000?
171SC0409000 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 171SC0409000?
There are 28 known substitutes for 171SC0409000: 005-300-0009, 18-3-7, 143934-01 and 25 more. Substitute compatibility should be verified for your specific system.
Is 171SC0409000 still available?
171SC0409000 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026