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2820121-101 — COUPLING ASSEMBLY,QUICK DISCONNE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

2820121-101: COUPLING ASSEMBLY,QUICK DISCONNE.

COUPLING ASSEMBLY,QUICK DISCONNE. Key specifications include material: ALUMINUM ALLOY AND STEEL CORROSION RESISTING OVERALL, overall_length: 7.400 INCHES NOMINAL IN, connection_type: UNTHREADED UNIVERSAL FITTING BOLT END SECOND FLUID END CONNECTION, special_features: USED ON: EXTERNAL FUEL TANK // T.O.1B-1B-4-28 (28-29-00) F.64 I.16 // THIS ITEM IS **HCI**, operating_pressure: 180.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, maximum_operating_temp: 160.0 FAHRENHEIT SINGLE RESPONSE DEGF. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-166-4144, 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
2820121-101
NSN: 4730-01-166-4144
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 3H889 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY AND STEEL CORROSION RESISTING OVERALL
overall_length7.400 INCHES NOMINAL IN
connection_typeUNTHREADED UNIVERSAL FITTING BOLT END SECOND FLUID END CONNECTION
special_featuresUSED ON: EXTERNAL FUEL TANK // T.O.1B-1B-4-28 (28-29-00) F.64 I.16 // THIS ITEM IS **HCI**
operating_pressure180.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
maximum_operating_temp160.0 FAHRENHEIT SINGLE RESPONSE DEGF
end_item_identificationB-1B AIRCRAFT
mounting_flange_locationSECOND LEG
NSN4730-01-166-4144
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 2820121-101 · 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: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
•
OPERATING PRESSURE: 180.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MOUNTING FLANGE LOCATION: SECOND LEG
•
MAXIMUM OPERATING TEMP: 160.0 FAHRENHEIT SINGLE RESPONSE DEGF
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
CONNECTION TYPEUNTHREADED UNIVERSAL FITTING BOLT END SECOND FLUID END CONNECTION
OVERALL LENGTH7.400 INCHES NOMINAL IN
OPERATING PRESSURE180.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MOUNTING FLANGE LOCATIONSECOND LEG
MAXIMUM OPERATING TEMP160.0 FAHRENHEIT SINGLE RESPONSE DEGF
SPECIAL FEATURESUSED ON: EXTERNAL FUEL TANK // T.O.1B-1B-4-28 (28-29-00) F.64 I.16 // THIS ITEM IS **HCI**
END ITEM IDENTIFICATIONB-1B AIRCRAFT
MATERIALALUMINUM ALLOY AND STEEL CORROSION RESISTING OVERALL
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 2820121-101?
2820121-101 is a COUPLING ASSEMBLY,QUICK DISCONNE.
What is the NSN for 2820121-101?
2820121-101 is cataloged in the U.S. Government catalog under NSN 4730-01-166-4144. This indicates validated use in U.S. government and defense supply chains.
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