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J-476 ✓ 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: STEEL CORROSION RESISTING WORKING PARTS, body_design: STRAIGHT PATTERN, design_type: THERMOSTATIC, inlet_connection_type: GROUND JOINT TAILPIECE W/UNION NUT, outlet_connection_type: GROUND JOINT TAILPIECE W/UNION NUT, maximum_steam_working_pressure: ERR-060. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-541-5010, 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
J-476
NSN: 4730-00-541-5010
FSC: 4730
CAGE: 53059 — SPIRAX SARCO INC DBA SPIRAX SARCO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING WORKING PARTS
body_designSTRAIGHT PATTERN
design_typeTHERMOSTATIC
inlet_connection_typeGROUND JOINT TAILPIECE W/UNION NUT
outlet_connection_typeGROUND JOINT TAILPIECE W/UNION NUT
maximum_steam_working_pressureERR-060
reference_number_differentiating_characteristics1/2 IN. 150 PSI IN
NSN4730-00-541-5010
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: J-476 · 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
•
DESIGN TYPE: THERMOSTATIC
•
BODY DESIGN: STRAIGHT PATTERN
•
OUTLET CONNECTION TYPE: GROUND JOINT TAILPIECE W/UNION NUT
•
INLET CONNECTION TYPE: GROUND JOINT TAILPIECE W/UNION NUT
•
MATERIAL: STEEL CORROSION RESISTING WORKING PARTS
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: 1/2 IN. 150 PSI IN
•
MAXIMUM STEAM WORKING PRESSURE: ERR-060
TECHNICAL CHARACTERISTICS (FLIS)
DESIGN TYPETHERMOSTATIC
BODY DESIGNSTRAIGHT PATTERN
OUTLET CONNECTION TYPEGROUND JOINT TAILPIECE W/UNION NUT
INLET CONNECTION TYPEGROUND JOINT TAILPIECE W/UNION NUT
MATERIALSTEEL CORROSION RESISTING WORKING PARTS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS1/2 IN. 150 PSI IN
MATERIALCOPPER ALLOY BODY
MAXIMUM STEAM WORKING PRESSUREERR-060
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
A21970Interchangeable
interchangeable cross-reference
interchangeable
B75-3Interchangeable
interchangeable cross-reference
interchangeable
10099Interchangeable
interchangeable cross-reference
interchangeable
940 1-19/32Interchangeable
interchangeable cross-reference
interchangeable
20138Interchangeable
interchangeable cross-reference
interchangeable
P360Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is J-476?
J-476 is a TRAP,STEAM.
What parts can replace J-476?
There are 23 known substitutes for J-476: A21970, B75-3, 10099 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for J-476?
J-476 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-541-5010. 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: July 2026