PartsTable
Technical Data Sheet
5520K13 ✓ 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,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: UNTHREADED EXTERNAL TUBE FIRST END, connection_style: PLAIN (TUBE) FIRST END, nominal_thread_size: 1.000 INCHES SECOND END IN, nominal_overall_length: 2.125 INCHES IN, thread_series_designator: NPT SECOND END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-825-6308, 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
5520K13
NSN: 4730-00-825-6308
FSC: 4730
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeUNTHREADED EXTERNAL TUBE FIRST END
connection_stylePLAIN (TUBE) FIRST END
nominal_thread_size1.000 INCHES SECOND END IN
nominal_overall_length2.125 INCHES IN
thread_series_designatorNPT SECOND END
nominal_outside_diameter_tube_accommodated1.125 INCHES FIRST END IN
tubing_wall_nominal_thickness_for_which_designed0.050 INCHES FIRST END IN
NSN4730-00-825-6308
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5520K13 · 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 SERIES DESIGNATOR: NPT SECOND END
NOMINAL THREAD SIZE: 1.000 INCHES SECOND END IN
CONNECTION TYPE: UNTHREADED EXTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.125 INCHES FIRST END IN
NOMINAL OVERALL LENGTH: 2.125 INCHES IN
CONNECTION STYLE: PLAIN (PIPE) SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORNPT SECOND END
NOMINAL THREAD SIZE1.000 INCHES SECOND END IN
CONNECTION TYPEUNTHREADED EXTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.125 INCHES FIRST END IN
NOMINAL OVERALL LENGTH2.125 INCHES IN
CONNECTION STYLEPLAIN (PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION STYLEPLAIN (TUBE) FIRST END
MATERIALCOPPER ALLOY OVERALL
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.050 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
2121524Interchangeable
interchangeable cross-reference
interchangeable
3-1550Interchangeable
interchangeable cross-reference
interchangeable
WH5023Interchangeable
interchangeable cross-reference
interchangeable
W-1463CPInterchangeable
interchangeable cross-reference
interchangeable
W-1463Interchangeable
interchangeable cross-reference
interchangeable
5520N13Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5520K13?
5520K13 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 5520K13?
There are 6 known substitutes for 5520K13: 2121524, 3-1550, WH5023 and 3 more. Substitute compatibility should be verified for your specific system.
Is 5520K13 still available?
5520K13 is currently cancelled.
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