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PartsTable / COMPONENT / 171SD0409000
171SD0409000 ✓ 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 PLUG,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, body_type: CORED, head_type: SOLID, drive_end_style: RAISED SQUARE, connection_style: PLAIN, thread_direction: RIGHT-HAND EXTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-221-2139, 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
171SD0409000
NSN: 4730-00-221-2139
FSC: 4730
CAGE: 40152 — VME AMERICAS INC SUB OF VME GROUP N V (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
body_typeCORED
head_typeSOLID
drive_end_styleRAISED SQUARE
connection_stylePLAIN
thread_directionRIGHT-HAND EXTERNAL
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.125 INCHES EXTERNAL IN
end_item_identification2350015093953; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
thread_quantity_per_inch27 EXTERNAL
thread_series_designatorANPT EXTERNAL
nominal_pipe_size_for_which_designed0.125 INCHES IN
NSN4730-00-221-2139
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 171SD0409000 · 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 12
LT-2602Interchangeable
interchangeable cross-reference
interchangeable
P18Interchangeable
interchangeable cross-reference
interchangeable
X323Interchangeable
interchangeable cross-reference
interchangeable
15144Interchangeable
interchangeable cross-reference
interchangeable
807800-020Interchangeable
interchangeable cross-reference
interchangeable
444746Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 171SD0409000?
171SD0409000 is a PLUG,PIPE.
What parts can replace 171SD0409000?
There are 12 known substitutes for 171SD0409000: LT-2602, P18, X323 and 9 more. Substitute compatibility should be verified for your specific system.
Is 171SD0409000 still available?
171SD0409000 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