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1655865-23 — TEE,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

1655865-23: TEE,TUBE.

The TEE,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, leg_length: 2.094 INCHES NOMINAL ALL ENDS2.094 INCHES NOMINAL ALL ENDS IN, thread_class: 2A FIRST END2A FIRST END A, connection_type: THREADED EXTERNAL TUBE THIRD ENDTHREADED EXTERNAL TUBE THIRD END, connection_style: GASKET SEAL, COMPRESSION (TUBE) FIRST ENDGASKET SEAL, COMPRESSION (TUBE) FIRST END, special_features: FURNISHED W/THREE RETAING RINGS,THREE BUSHINGS. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-411-8136, 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
1655865-23
NSN: 4730-00-411-8136
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 97576 — LENZ INC DBA THE LENZ COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
leg_length2.094 INCHES NOMINAL ALL ENDS2.094 INCHES NOMINAL ALL ENDS IN
thread_class2A FIRST END2A FIRST END A
connection_typeTHREADED EXTERNAL TUBE THIRD ENDTHREADED EXTERNAL TUBE THIRD END
connection_styleGASKET SEAL, COMPRESSION (TUBE) FIRST ENDGASKET SEAL, COMPRESSION (TUBE) FIRST END
special_featuresFURNISHED W/THREE RETAING RINGS,THREE BUSHINGS
surface_treatmentCADMIUM OVERALL
operating_pressure2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.750 INCHES THIRD END0.750 INCHES THIRD END IN
maximum_operating_temp135.0 CELSIUS SINGLE RESPONSE135.0 CELSIUS SINGLE RESPONSE DEGC
thread_series_designatorUNF THIRD ENDUNEF SECOND END
furnished_items_and_quantity3 FERRULE SLEEVE AND 3 SHORT COUPLING NUT AND 3 BULKHEAD NUT
NSN4730-00-411-8136
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1655865-23 · 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
•
FURNISHED ITEMS AND QUANTITY: 3 FERRULE SLEEVE AND 3 SHORT COUPLING NUT AND 3 BULKHEAD NUT
•
CONNECTION STYLE: GASKET SEAL, COMPRESSION (TUBE) FIRST ENDGASKET SEAL, COMPRESSION (TUBE) FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL TUBE THIRD ENDTHREADED EXTERNAL TUBE THIRD END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES THIRD END IN
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY3 FERRULE SLEEVE AND 3 SHORT COUPLING NUT AND 3 BULKHEAD NUT
CONNECTION STYLEGASKET SEAL, COMPRESSION (TUBE) FIRST ENDGASKET SEAL, COMPRESSION (TUBE) FIRST END
CONNECTION STYLEGASKET SEAL, COMPRESSION (TUBE) SECOND ENDGASKET SEAL, COMPRESSION (TUBE) SECOND END
CONNECTION STYLEGASKET SEAL, COMPRESSION (TUBE) THIRD ENDGASKET SEAL, COMPRESSION (TUBE) THIRD END
CONNECTION TYPETHREADED EXTERNAL TUBE THIRD ENDTHREADED EXTERNAL TUBE THIRD END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND ENDTHREADED EXTERNAL TUBE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES THIRD END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES THIRD END0.750 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES SECOND END0.750 INCHES FIRST END IN
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 1
12-8Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1655865-23?
1655865-23 is a TEE,TUBE.
What parts can replace 1655865-23?
There is 1 known substitute for 1655865-23: 12-8. Substitute compatibility should be verified for your specific system.
What is the NSN for 1655865-23?
1655865-23 is cataloged in the U.S. Government catalog under NSN 4730-00-411-8136. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.