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171SD0409000 — PLUG,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

171SD0409000: PLUG,PIPE.

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 U.S.

Government catalog 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 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
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
SUBSTITUTES & CROSS-REFERENCES 7
444746Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
350AXReference document
Same NSN cross-reference
Reference document — Secondary reference
P18CSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1459-259Reference document
Same NSN cross-reference
Reference document — Secondary reference
4730002212139Reference document
Same NSN cross-reference
Reference document — Informative reference only
MS20913-45Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 171SD0409000?
171SD0409000 is a PLUG,PIPE.
What parts can replace 171SD0409000?
There are 7 known substitutes for 171SD0409000: 444746, 350AX, P18C and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 171SD0409000?
171SD0409000 is cataloged in the U.S. Government catalog under NSN 4730-00-221-2139. 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.