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55540819 — PLUG,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

55540819: PLUG,PIPE.

The PLUG,PIPE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, body_type: SOLID, head_type: SOLID, drive_end_style: HEXAGON, connection_style: PLAIN, thread_direction: RIGHT-HAND EXTERNAL. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-228-1069, 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
55540819
NSN: 4730-01-228-1069
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 4J007 — MSC INDUSTRIAL DIRECT CO., INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
body_typeSOLID
head_typeSOLID
drive_end_styleHEXAGON
connection_stylePLAIN
thread_directionRIGHT-HAND EXTERNAL
nominal_thread_size0.375 INCHES EXTERNAL IN
thread_series_designatorNPT EXTERNAL
nominal_pipe_size_for_which_designed0.375 INCHES IN
NSN4730-01-228-1069
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 55540819 · 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
KEY FEATURES
•
HEAD TYPE: SOLID
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 0.375 INCHES IN
•
CONNECTION STYLE: PLAIN
•
DRIVE END STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND EXTERNAL
•
NOMINAL THREAD SIZE: 0.375 INCHES EXTERNAL IN
•
BODY TYPE: SOLID
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
HEAD TYPESOLID
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.375 INCHES IN
CONNECTION STYLEPLAIN
DRIVE END STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND EXTERNAL
NOMINAL THREAD SIZE0.375 INCHES EXTERNAL IN
BODY TYPESOLID
MATERIALCOPPER ALLOY OVERALL
THREAD SERIES DESIGNATORNPT EXTERNAL
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 2
756125-06Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
217-3140-00-0Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 55540819?
55540819 is a PLUG,PIPE.
What parts can replace 55540819?
There are 2 known substitutes for 55540819: 756125-06, 217-3140-00-0. Substitute compatibility should be verified for your specific system.
What is the NSN for 55540819?
55540819 is cataloged in the U.S. Government catalog under NSN 4730-01-228-1069. This indicates validated use in U.S. government and defense supply chains.
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