PartsTable
Technical Data Sheet

MS18229-3/8 — PLUG,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

MS18229-3/8: PLUG,PIPE.

The PLUG,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, thickness: 0.250 INCHES NOMINAL IN, neck_height: 0.750 INCHES NOMINAL IN, recess_depth: 0.130 INCHES NOMINAL IN, reducer_type: CONCENTRIC, thread_class: 2A FIRST END A. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-260-0332, 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
MS18229-3/8
NSN: 4730-01-260-0332
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
thickness0.250 INCHES NOMINAL IN
neck_height0.750 INCHES NOMINAL IN
recess_depth0.130 INCHES NOMINAL IN
reducer_typeCONCENTRIC
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL BOSS ALL ENDS
flange_diameter3.750 INCHES NOMINAL IN
recess_diameter1.875 INCHES NOMINAL IN
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
style_designatorROUND, ONE BOLT HOLE CIRCLE
surface_treatmentPASSIVATE OVERALL
NSN4730-01-260-0332
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS18229-3/8 · 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 2
1213E1665 FIND 16Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
1213E1665Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS18229-3/8?
MS18229-3/8 is a PLUG,PIPE.
What parts can replace MS18229-3/8?
There are 2 known substitutes for MS18229-3/8: 1213E1665 FIND 16, 1213E1665. Substitute compatibility should be verified for your specific system.
What is the NSN for MS18229-3/8?
MS18229-3/8 is cataloged in the U.S. Government catalog under NSN 4730-01-260-0332. 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.