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Technical Data Sheet
PartsTable / COMPONENT / 55-FT-3/4IN
55-FT-3/4IN ✓ 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 55-FT-3/4IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-231-3434, 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
55-FT-3/4IN
NSN: 4730-00-231-3434
FSC: 4730
CAGE: 28960 — ITT FLUID TECHNOLOGY CORP ITT MCDONNELL AND MILLER (USA)
SPECIFICATIONS
Part Number55-FT-3/4IN
NSN4730-00-231-3434
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 55-FT-3/4IN · 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
•
OUTLET CONNECTION TYPE: FEMALE IRON PIPE
•
RATED CAPACITY AT MAXIMUM WORKING PRESSURE: 230.0 POUNDS OF WATER PER HOUR LBS
•
THREAD DIRECTION: RIGHT-HAND BOTH INLET AND OUTLET
•
BODY DESIGN: STRAIGHT HORIZONTAL PATTERN
•
INLET CONNECTION TYPE: FEMALE IRON PIPE
•
MAXIMUM STEAM WORKING PRESSURE: ERR-060
•
DESIGN TYPE: COMBINATION FLOAT/THERMOSTATIC
TECHNICAL CHARACTERISTICS (FLIS)
OUTLET CONNECTION TYPEFEMALE IRON PIPE
RATED CAPACITY AT MAXIMUM WORKING PRESSURE230.0 POUNDS OF WATER PER HOUR LBS
THREAD DIRECTIONRIGHT-HAND BOTH INLET AND OUTLET
BODY DESIGNSTRAIGHT HORIZONTAL PATTERN
INLET CONNECTION TYPEFEMALE IRON PIPE
MAXIMUM STEAM WORKING PRESSUREERR-060
DESIGN TYPECOMBINATION FLOAT/THERMOSTATIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
L5501Interchangeable
interchangeable cross-reference
interchangeable
40215Interchangeable
interchangeable cross-reference
interchangeable
ETP508Interchangeable
interchangeable cross-reference
interchangeable
B94.19 TABLE 4Interchangeable
interchangeable cross-reference
interchangeable
ASME B94.19Interchangeable
interchangeable cross-reference
interchangeable
305-18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55-FT-3/4IN?
55-FT-3/4IN is a 55-FT-3/4IN.
What parts can replace 55-FT-3/4IN?
There are 18 known substitutes for 55-FT-3/4IN: L5501, 40215, ETP508 and 15 more. Substitute compatibility should be verified for your specific system.
Is 55-FT-3/4IN still available?
55-FT-3/4IN 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