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31701-22 — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

31701-22: ADAPTER,STRAIGHT,PIPE TO TUBE.

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: PLASTIC ACRYLIC OVERALL, connection_type: UNTHREADED EXTERNAL TUBE FIRST END, connection_style: INSERT (TUBE) FIRST END, nominal_thread_size: 0.250 INCHES SECOND END IN, maximum_operating_temp: 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, nominal_overall_length: 1.500 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-503-5919, 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
31701-22
NSN: 4730-01-503-5919
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 05668 — COLE-PARMER INSTRUMENT COMPANY, LLC (USA)
SPECIFICATIONS
materialPLASTIC ACRYLIC OVERALL
connection_typeUNTHREADED EXTERNAL TUBE FIRST END
connection_styleINSERT (TUBE) FIRST END
nominal_thread_size0.250 INCHES SECOND END IN
maximum_operating_temp200.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length1.500 INCHES IN
end_item_identificationCALIB. RIG OXYGEN SENSOR
thread_quantity_per_inch18 SECOND END
thread_series_designatorNPT SECOND END
reduced_passage_nominal_inside_diameter0.250 INCHES FIRST END IN
part_name_assigned_by_controlling_agencyNYLON NPT BARBED FITTING, FEMALE PIPE ADAPTER, 1/4" X 3/8"
NSN4730-01-503-5919
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 31701-22 · 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
•
CONNECTION STYLE: PLAIN (PIPE) SECOND END
•
NOMINAL OVERALL LENGTH: 1.500 INCHES IN
•
CONNECTION TYPE: THREADED INTERNAL PIPE SECOND END
•
REDUCED PASSAGE NOMINAL INSIDE DIAMETER: 0.250 INCHES FIRST END IN
•
NOMINAL THREAD SIZE: 0.250 INCHES SECOND END IN
•
MAXIMUM OPERATING TEMP: 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN (PIPE) SECOND END
CONNECTION STYLEINSERT (TUBE) FIRST END
NOMINAL OVERALL LENGTH1.500 INCHES IN
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
CONNECTION TYPEUNTHREADED EXTERNAL TUBE FIRST END
REDUCED PASSAGE NOMINAL INSIDE DIAMETER0.250 INCHES FIRST END IN
NOMINAL THREAD SIZE0.250 INCHES SECOND END IN
MAXIMUM OPERATING TEMP200.0 FAHRENHEIT SINGLE RESPONSE DEGF
SPECIAL FEATURESDIA OF FEMALE INTERNAL PIPE END IS 0.750 IN; O.D. OF PIPE IS 0.540 IN; I.D. OF TUBE FOR BARBED END IS 0.375 IN; STERILIZE PIECE WITH ETHYLENE OXIDE; MINIMUM OPERATING TEMP IS MINUS 40 DEG FAHR; LOW PRESSURE APPLICATION OF LESS THAN 30 PSI IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNYLON NPT BARBED FITTING, FEMALE PIPE ADAPTER, 1/4" X 3/8"
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 2
E-31700-81Reference document
Same NSN cross-reference
Reference document — Secondary reference
7326505 FIND 7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 31701-22?
31701-22 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 31701-22?
There are 2 known substitutes for 31701-22: E-31700-81, 7326505 FIND 7. Substitute compatibility should be verified for your specific system.
What is the NSN for 31701-22?
31701-22 is cataloged in the U.S. Government catalog under NSN 4730-01-503-5919. This indicates validated use in U.S. government and defense supply chains.
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