PartsTable
Technical Data Sheet
J446 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 TRAP,STEAM is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY AND COPPER ALLOY 706 BODY, body_design: ANGLE PATTERN, design_type: THERMOSTATIC, furnished_items: STRAINER, nondefinitive_spec/std_data: 2 CLASS, maximum_steam_working_pressure: ERR-060. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-289-4616, 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
J446 3-4IN
NSN: 4730-00-289-4616
FSC: 4730
CAGE: 53059 — SPIRAX SARCO INC DBA SPIRAX SARCO (USA)
SPECIFICATIONS
materialCOPPER ALLOY AND COPPER ALLOY 706 BODY
body_designANGLE PATTERN
design_typeTHERMOSTATIC
furnished_itemsSTRAINER
nondefinitive_spec/std_data2 CLASS
maximum_steam_working_pressureERR-060
rated_capacity_at_maximum_working_pressure3500.0 POUNDS OF WATER PER HOUR LBS
NSN4730-00-289-4616
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: J446 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
MATERIAL: STEEL CORROSION RESISTING WORKING PARTS
NONDEFINITIVE SPEC/STD DATA: 2 CLASS
BODY DESIGN: ANGLE PATTERN
DESIGN TYPE: THERMOSTATIC
RATED CAPACITY AT MAXIMUM WORKING PRESSURE: 3500.0 POUNDS OF WATER PER HOUR LBS
MAXIMUM STEAM WORKING PRESSURE: ERR-060
FURNISHED ITEMS: STRAINER
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING WORKING PARTS
NONDEFINITIVE SPEC/STD DATA2 CLASS
MATERIALCOPPER ALLOY AND COPPER ALLOY 706 BODY
BODY DESIGNANGLE PATTERN
DESIGN TYPETHERMOSTATIC
RATED CAPACITY AT MAXIMUM WORKING PRESSURE3500.0 POUNDS OF WATER PER HOUR LBS
MAXIMUM STEAM WORKING PRESSUREERR-060
FURNISHED ITEMSSTRAINER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
K4551-2Interchangeable
interchangeable cross-reference
interchangeable
MILT2118Interchangeable
interchangeable cross-reference
interchangeable
D4456Interchangeable
interchangeable cross-reference
interchangeable
S791N11-2Interchangeable
interchangeable cross-reference
interchangeable
C2C1960Interchangeable
interchangeable cross-reference
interchangeable
1633-37-30PC135Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is J446 3-4IN?
J446 3-4IN is a TRAP,STEAM.
What parts can replace J446 3-4IN?
There are 16 known substitutes for J446 3-4IN: K4551-2, MILT2118, D4456 and 13 more. Substitute compatibility should be verified for your specific system.
Is J446 3-4IN still available?
J446 3-4IN is currently cancelled.
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