PartsTable
Technical Data Sheet
W40109 ✓ 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 TEE,TUBE is a the manufacturer industrial component. Key specifications include material: COPPER OVERALL, leg_length: 3.677 INCHES NOMINAL SECOND END IN, connection_type: UNTHREADED INTERNAL TUBE SECOND END, connection_style: SOCKET (TUBE) SECOND END, nominal_outside_diameter_tube_accommodated: 2.125 INCHES FIRST END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-507-0034, 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
W40109
NSN: 4730-00-507-0034
FSC: 4730
CAGE: 41947 — MUELLER BRASS CO. (USA)
SPECIFICATIONS
materialCOPPER OVERALL
leg_length3.677 INCHES NOMINAL SECOND END IN
connection_typeUNTHREADED INTERNAL TUBE SECOND END
connection_styleSOCKET (TUBE) SECOND END
nominal_outside_diameter_tube_accommodated2.125 INCHES FIRST END IN
NSN4730-00-507-0034
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: W40109 · 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
CONNECTION TYPE: UNTHREADED INTERNAL TUBE SECOND END
LEG LENGTH: 3.677 INCHES NOMINAL SECOND END IN
CONNECTION STYLE: SOCKET (TUBE) THIRD END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.375 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEUNTHREADED INTERNAL TUBE SECOND END
LEG LENGTH3.677 INCHES NOMINAL SECOND END IN
CONNECTION STYLESOCKET (TUBE) THIRD END
CONNECTION TYPEUNTHREADED INTERNAL TUBE THIRD END
LEG LENGTH3.442 INCHES NOMINAL FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.375 INCHES SECOND END IN
LEG LENGTH4.255 INCHES NOMINAL THIRD END IN
CONNECTION TYPEUNTHREADED INTERNAL TUBE FIRST END
CONNECTION STYLESOCKET (TUBE) SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED2.125 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
SEEPIDInterchangeable
interchangeable cross-reference
interchangeable
B16.23Interchangeable
interchangeable cross-reference
interchangeable
SEE ITEM DESCRIPTIONInterchangeable
interchangeable cross-reference
interchangeable
8-633Interchangeable
interchangeable cross-reference
interchangeable
4730002703891Interchangeable
interchangeable cross-reference
interchangeable
WW-P-541Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W40109?
W40109 is a TEE,TUBE.
What parts can replace W40109?
There are 17 known substitutes for W40109: SEEPID, B16.23, SEE ITEM DESCRIPTION and 14 more. Substitute compatibility should be verified for your specific system.
Is W40109 still available?
W40109 is currently cancelled.
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