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1655865-26 — TEE,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

1655865-26: TEE,TUBE.

The TEE,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, leg_length: 1.750 INCHES NOMINAL ALL ENDS IN, thread_class: 2A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: GASKET SEAL, COMPRESSION (TUBE) ALL ENDS, special_features: FURNISHED W/THREE RETAINING RINGS AND THREE BUSHINGS. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-489-8211, 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
1655865-26
NSN: 4730-00-489-8211
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
leg_length1.750 INCHES NOMINAL ALL ENDS IN
thread_class2A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleGASKET SEAL, COMPRESSION (TUBE) ALL ENDS
special_featuresFURNISHED W/THREE RETAINING RINGS AND THREE BUSHINGS
surface_treatmentCADMIUM OVERALL
operating_pressure2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size1.125 INCHES FIRST END IN
maximum_operating_temp135.0 CELSIUS SINGLE RESPONSE DEGC
thread_series_designatorUNF ALL ENDS
furnished_items_and_quantity3 SHORT COUPLING NUT AND 3 BULKHEAD NUT AND 3 COUPLING SLEEVE
NSN4730-00-489-8211
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1655865-26 · 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 SHORT COUPLING NUT AND 3 BULKHEAD NUT AND 3 COUPLING SLEEVE
•
CONNECTION STYLE: GASKET SEAL, COMPRESSION (TUBE) ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.750 INCHES SECOND END IN
•
OPERATING PRESSURE: 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
LEG LENGTH: 1.750 INCHES NOMINAL ALL ENDS IN
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY3 SHORT COUPLING NUT AND 3 BULKHEAD NUT AND 3 COUPLING SLEEVE
CONNECTION STYLEGASKET SEAL, COMPRESSION (TUBE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES THIRD END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES FIRST END IN
OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
LEG LENGTH1.750 INCHES NOMINAL ALL ENDS IN
NOMINAL THREAD SIZE0.438 INCHES THIRD END IN
NOMINAL THREAD SIZE1.125 INCHES SECOND 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
12-4Reference 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 1655865-26?
1655865-26 is a TEE,TUBE.
What parts can replace 1655865-26?
There is 1 known substitute for 1655865-26: 12-4. Substitute compatibility should be verified for your specific system.
What is the NSN for 1655865-26?
1655865-26 is cataloged in the U.S. Government catalog under NSN 4730-00-489-8211. This indicates validated use in U.S. government and defense supply chains.
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