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20690-8-8C — ADAPTER,STRAIGHT,TUBE TO HOSE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

20690-8-8C: ADAPTER,STRAIGHT,TUBE TO HOSE.

The ADAPTER,STRAIGHT,TUBE TO HOSE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, seat_angle: 37.0 DEGREES FIRST END, thread_class: 2B FIRST END2B FIRST END, connection_type: THREADED INTERNAL TUBE FIRST ENDTHREADED INTERNAL TUBE FIRST END, connection_style: GRIPPING NIPPLE (NOSE) SECOND ENDGRIPPING NIPPLE (NOSE) SECOND END, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-421-1357, 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
20690-8-8C
NSN: 4730-00-421-1357
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 98441 — PARKER HANNIFIN CORP DBA PNEUTRONICS DIV STRATOFLEX PRODUCTS DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
seat_angle37.0 DEGREES FIRST END
thread_class2B FIRST END2B FIRST END
connection_typeTHREADED INTERNAL TUBE FIRST ENDTHREADED INTERNAL TUBE FIRST END
connection_styleGRIPPING NIPPLE (NOSE) SECOND ENDGRIPPING NIPPLE (NOSE) SECOND END
surface_treatmentPASSIVATE OVERALL
operating_pressure7000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.750 INCHES FIRST END0.750 INCHES FIRST END IN
maximum_operating_temp450.0 FAHRENHEIT SINGLE RESPONSE450.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length1.980 INCHES IN
thread_series_designatorUNF FIRST END
furnished_items_and_quantity1 HOSE COUPLING NUT AND 1 HOSE COUPLING SLEEVE
NSN4730-00-421-1357
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 20690-8-8C · 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: 1 HOSE COUPLING NUT AND 1 HOSE COUPLING SLEEVE
•
CONNECTION STYLE: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST ENDSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.420 INCHES SECOND END IN
•
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED: 0.540 INCHES SECOND END IN
•
NOMINAL OVERALL LENGTH: 1.980 INCHES IN
•
CONNECTION TYPE: THREADED INTERNAL TUBE FIRST ENDTHREADED INTERNAL TUBE FIRST END
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 HOSE COUPLING NUT AND 1 HOSE COUPLING SLEEVE
CONNECTION STYLESWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST ENDSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
CONNECTION STYLEGRIPPING NIPPLE (NOSE) SECOND ENDGRIPPING NIPPLE (NOSE) SECOND END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.420 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED0.540 INCHES SECOND END IN
NOMINAL OVERALL LENGTH1.980 INCHES IN
CONNECTION TYPETHREADED INTERNAL TUBE FIRST ENDTHREADED INTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL HOSE GRIPPING SECOND ENDTHREADED EXTERNAL HOSE GRIPPING SECOND END
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
SUBSTITUTES & CROSS-REFERENCES 1
SR8J1CReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20690-8-8C?
20690-8-8C is a ADAPTER,STRAIGHT,TUBE TO HOSE.
What parts can replace 20690-8-8C?
There is 1 known substitute for 20690-8-8C: SR8J1C. Substitute compatibility should be verified for your specific system.
What is the NSN for 20690-8-8C?
20690-8-8C is cataloged in the U.S. Government catalog under NSN 4730-00-421-1357. This indicates validated use in U.S. government and defense supply chains.
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