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3698 1-4 — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

3698 1-4: ADAPTER,STRAIGHT,PIPE TO TUBE.

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 922 OVERALL, connection_type: UNTHREADED INTERNAL TUBE FIRST ENDUNTHREADED INTERNAL TUBE FIRST END, connection_style: PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END, operating_pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS, nominal_thread_size: 0.250 INCHES SECOND END0.250 INCHES SECOND END IN, maximum_operating_temp: 65.6 CELSIUS SECOND RESPONSE65.6 CELSIUS SECOND RESPONSE DEGC. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-394-9634, 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
3698 1-4
NSN: 4730-00-394-9634
NIINs: 003949634, 013002997
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY 922 OVERALL
connection_typeUNTHREADED INTERNAL TUBE FIRST ENDUNTHREADED INTERNAL TUBE FIRST END
connection_stylePLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END
operating_pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
nominal_thread_size0.250 INCHES SECOND END0.250 INCHES SECOND END IN
maximum_operating_temp65.6 CELSIUS SECOND RESPONSE65.6 CELSIUS SECOND RESPONSE DEGC
nominal_overall_length1.062 INCHES IN
media_for_which_designedWATER-OIL-GAS SECOND RESPONSE
thread_series_designatorNPT SECOND END
nominal_pipe_size_accommodated0.250 INCHES SECOND END0.250 INCHES SECOND END IN
material_document_and_classificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
nominal_outside_diameter_tube_accommodated0.250 INCHES FIRST END IN
NSN4730-00-394-9634
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3698 1-4 · 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 PIPE SIZE ACCOMMODATED: 0.250 INCHES SECOND END0.250 INCHES SECOND END IN
•
CONNECTION STYLE: PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END
•
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED: 0.030 INCHES FIRST END IN
•
NOMINAL OVERALL LENGTH: 1.062 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND ENDTHREADED EXTERNAL PIPE SECOND END
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES SECOND END0.250 INCHES SECOND END IN
CONNECTION STYLEPLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END
CONNECTION STYLESTREAMLINED W/ ONE BRAZING RING (PIPE) FIRST ENDSTREAMLINED W/ ONE BRAZING RING (PIPE) FIRST END
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.030 INCHES FIRST END IN
NOMINAL OVERALL LENGTH1.062 INCHES IN
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND ENDTHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPEUNTHREADED INTERNAL TUBE FIRST ENDUNTHREADED INTERNAL TUBE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
SUBSTITUTES & CROSS-REFERENCES 1
00699067576612Reference 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 3698 1-4?
3698 1-4 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 3698 1-4?
There is 1 known substitute for 3698 1-4: 00699067576612. Substitute compatibility should be verified for your specific system.
What is the NSN for 3698 1-4?
3698 1-4 is cataloged in the U.S. Government catalog under NSN 4730-00-394-9634. This indicates validated use in U.S. government and defense supply chains.
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