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Technical Data Sheet
PartsTable / COMPONENT / 3627-3/4
3627-3/4 ✓ 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 3627-3/4 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-075-7293, 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
3627-3/4
NSN: 4730-01-075-7293
FSC: 4730
CAGE: 0AT62 — SIEMENS ENERGY, INC. DBA DRESSER-RAND (USA)
SPECIFICATIONS
Part Number3627-3/4
NSN4730-01-075-7293
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3627-3/4 · 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
•
MAXIMUM OPERATING TEMP: 500.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MEDIA FOR WHICH DESIGNED: STEAM FIRST RESPONSE
•
OPERATING PRESSURE: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE FIRST END
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES FIRST END IN
•
CONNECTION STYLE: PLAIN (PIPE) SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM OPERATING TEMP500.0 FAHRENHEIT SINGLE RESPONSE DEGF
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
CONNECTION TYPEUNTHREADED INTERNAL PIPE FIRST END
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES FIRST END IN
CONNECTION TYPEUNTHREADED EXTERNAL PIPE SECOND END
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES SECOND END IN
CONNECTION STYLEPLAIN (PIPE) SECOND END
LEG LENGTH1.188 INCHES NOMINAL FIRST END IN
LEG LENGTH1.656 INCHES NOMINAL SECOND END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
3627Interchangeable
interchangeable cross-reference
interchangeable
BB49373Interchangeable
interchangeable cross-reference
interchangeable
4003627Interchangeable
interchangeable cross-reference
interchangeable
4003627-9Interchangeable
interchangeable cross-reference
interchangeable
272SC294Interchangeable
interchangeable cross-reference
interchangeable
998Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3627-3/4?
3627-3/4 is a 3627-3/4.
What parts can replace 3627-3/4?
There are 20 known substitutes for 3627-3/4: 3627, BB49373, 4003627 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3627-3/4?
3627-3/4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-075-7293. 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