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Technical Data Sheet
PartsTable / COMPONENT / 202208-18-16B
202208-18-16B ✓ 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 BOSS is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, thread_class: 2A SECOND END A, connection_type: UNTHREADED INTERNAL TUBE FIRST END, special_features: FOR NAVY NUCLEAR PROPULSION PLANT PRODUCTS ONLY, operating_pressure: 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_thread_size: 1.594 INCHES SECOND END IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-613-9868, 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
202208-18-16B
NSN: 4730-00-613-9868
FSC: 4730
CAGE: 00624 — EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thread_class2A SECOND END A
connection_typeUNTHREADED INTERNAL TUBE FIRST END
special_featuresFOR NAVY NUCLEAR PROPULSION PLANT PRODUCTS ONLY
operating_pressure700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size1.594 INCHES SECOND END IN
nominal_overall_length1.330 INCHES IN
thread_quantity_per_inch20 SECOND END
thread_series_designatorUNS SECOND END
criticality_code_justificationZZZY
nominal_outside_diameter_tube_accommodated1.125 INCHES FIRST END IN
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY FREE FROM MERCURY CONTAMINATION
NSN4730-00-613-9868
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 202208-18-16B · 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
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.125 INCHES FIRST END IN
•
CONNECTION STYLE: SOCKET (TUBE) FIRST END
•
NOMINAL THREAD SIZE: 1.594 INCHES SECOND END IN
•
NOMINAL OVERALL LENGTH: 1.330 INCHES IN
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE FIRST END
•
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED: 0.125 INCHES FIRST END IN
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.125 INCHES FIRST END IN
CONNECTION STYLESOCKET (TUBE) FIRST END
NOMINAL THREAD SIZE1.594 INCHES SECOND END IN
NOMINAL OVERALL LENGTH1.330 INCHES IN
CONNECTION TYPEUNTHREADED INTERNAL TUBE FIRST END
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.125 INCHES FIRST END IN
MATERIALCOPPER ALLOY OVERALL
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
THREAD QUANTITY PER INCH20 SECOND END
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
202208-18-16BInterchangeable
interchangeable cross-reference
interchangeable
1889863PC157Interchangeable
interchangeable cross-reference
interchangeable
2670-57 ITEM 13Interchangeable
interchangeable cross-reference
interchangeable
N9-845-193PC57Interchangeable
Same NIIN cross-reference
interchangeable
8691-052REVAPC54Interchangeable
Same NIIN cross-reference
interchangeable
578-9200-1572633REVDPC54Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 202208-18-16B?
202208-18-16B is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace 202208-18-16B?
There are 12 known substitutes for 202208-18-16B: 202208-18-16B, 1889863PC157, 2670-57 ITEM 13 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 202208-18-16B?
202208-18-16B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-613-9868. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026