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541-FT 3/4IN — Technical Data Sheet

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— · 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 TRAP,THERMOSTATIC is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY TERMINAL, body_style: CLIP CONNECTED TYPE, overall_width: 1.000 INCHES NOMINAL IN, base_thickness: 0.235 INCHES NOMINAL IN, coating_method: PLATED CONTACT, overall_height: 0.607 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-319-0903, 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
541-FT 3/4IN
NSN: 4730-01-319-0903
FSC: 4730
CAGE: 28960 — ITT FLUID TECHNOLOGY CORP ITT MCDONNELL AND MILLER (USA)
SPECIFICATIONS
materialCOPPER ALLOY TERMINAL
body_styleCLIP CONNECTED TYPE
overall_width1.000 INCHES NOMINAL IN
base_thickness0.235 INCHES NOMINAL IN
coating_methodPLATED CONTACT
overall_height0.607 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
overall_length2.188 INCHES NOMINAL IN
voltage_in_volts250.0
surface_treatmentNICKEL CONTACT
mounting_hole_styleIN-LINE ALONG THE WIDTH
mounting_hole_diameter0.138 INCHES NOMINAL IN
mounting_hole_quantity2
NSN4730-01-319-0903
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 541-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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
0510-0748Interchangeable
interchangeable cross-reference
interchangeable
C22327-Z27-C7Interchangeable
interchangeable cross-reference
interchangeable
357002Interchangeable
interchangeable cross-reference
interchangeable
401677Interchangeable
interchangeable cross-reference
interchangeable
404204Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 541-FT 3/4IN?
541-FT 3/4IN is a TRAP,THERMOSTATIC.
What parts can replace 541-FT 3/4IN?
There are 5 known substitutes for 541-FT 3/4IN: 0510-0748, C22327-Z27-C7, 357002 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 541-FT 3/4IN?
541-FT 3/4IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-319-0903. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026