PartsTable
Technical Data Sheet
320-20-20ZK ✓ 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 ADAPTER,STRAIGHT,TUBE TO HOSE is a the manufacturer industrial component. Key specifications include material: STEEL OR IRON OVERALL, seat_angle: 37.0 DEGREES FIRST END, thread_class: 2B FIRST END, connection_type: THREADED INTERNAL TUBE FIRST END, connection_style: GRIPPING NIPPLE (NOSE) SECOND END, surface_treatment: ZINC OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-076-1516, 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
320-20-20ZK
NSN: 4730-01-076-1516
FSC: 4730
CAGE: 98441 — PARKER HANNIFIN CORP DBA PNEUTRONICS DIV STRATOFLEX PRODUCTS DIVISION (USA)
SPECIFICATIONS
materialSTEEL OR IRON OVERALL
seat_angle37.0 DEGREES FIRST END
thread_class2B FIRST END
connection_typeTHREADED INTERNAL TUBE FIRST END
connection_styleGRIPPING NIPPLE (NOSE) SECOND END
surface_treatmentZINC OVERALL
operating_pressure1625.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size1.625 INCHES FIRST END IN
maximum_operating_temp212.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length5.470 INCHES IN
media_for_which_designedHYDRAULIC FLUID SINGLE RESPONSE
thread_quantity_per_inch12 FIRST END
NSN4730-01-076-1516
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 320-20-20ZK · 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
THREAD CLASS: 2B FIRST END
THREAD QUANTITY PER INCH: 12 FIRST END
CONNECTION STYLE: GRIPPING NIPPLE (NOSE) SECOND END
CONNECTION TYPE: THREADED EXTERNAL HOSE GRIPPING SECOND END
MAXIMUM OPERATING TEMP: 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B FIRST END
THREAD QUANTITY PER INCH12 FIRST END
CONNECTION STYLEGRIPPING NIPPLE (NOSE) SECOND END
CONNECTION TYPETHREADED EXTERNAL HOSE GRIPPING SECOND END
CONNECTION STYLESWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
MAXIMUM OPERATING TEMP212.0 FAHRENHEIT SINGLE RESPONSE DEGF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED2.000 INCHES SECOND END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
MIL-DTL-52525/1Interchangeable
interchangeable cross-reference
interchangeable
MS39290-8-8BInterchangeable
interchangeable cross-reference
interchangeable
M52525/1-8-8Interchangeable
interchangeable cross-reference
interchangeable
4721-6Interchangeable
interchangeable cross-reference
interchangeable
4721-12Interchangeable
interchangeable cross-reference
interchangeable
4721-12SInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 320-20-20ZK?
320-20-20ZK is a ADAPTER,STRAIGHT,TUBE TO HOSE.
What parts can replace 320-20-20ZK?
There are 21 known substitutes for 320-20-20ZK: MIL-DTL-52525/1, MS39290-8-8B, M52525/1-8-8 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 320-20-20ZK?
320-20-20ZK is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-076-1516. This indicates validated use in U.S. government and defense supply chains.
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