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Technical Data Sheet

TYPE253 1/2 IN.IPS — COUPLING,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

TYPE253 1/2 IN.IPS: COUPLING,TUBE.

The COUPLING,TUBE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: PLAIN (TUBE) FIRST END, style_designator: SWAGED AND THREADED INTERNAL SWIVEL, nominal_thread_size: 0.906 INCHES FIRST END IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-153-8376, 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
TYPE253 1/2 IN.IPS
NSN: 4730-01-153-8376
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 61965 — CBC MACHINE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_stylePLAIN (TUBE) FIRST END
style_designatorSWAGED AND THREADED INTERNAL SWIVEL
nominal_thread_size0.906 INCHES FIRST END IN
nominal_overall_length5.500 INCHES IN
thread_quantity_per_inch16 FIRST END
thread_series_designatorUN FIRST END
nominal_outside_diameter_tube_accommodated1.250 INCHES SECOND END IN
tubing_wall_nominal_thickness_for_which_designed0.188 INCHES SECOND END IN
NSN4730-01-153-8376
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: TYPE253 1/2 IN.IPS · 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 (TUBE) SECOND END
•
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED: 0.188 INCHES SECOND END IN
•
NOMINAL OVERALL LENGTH: 5.500 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
•
STYLE DESIGNATOR: SWAGED AND THREADED INTERNAL SWIVEL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.125 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN (TUBE) SECOND END
CONNECTION STYLEPLAIN (TUBE) FIRST END
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.188 INCHES SECOND END IN
NOMINAL OVERALL LENGTH5.500 INCHES IN
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPEUNTHREADED EXTERNAL TUBE SECOND END
STYLE DESIGNATORSWAGED AND THREADED INTERNAL SWIVEL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.125 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.250 INCHES SECOND END IN
NOMINAL THREAD SIZE0.906 INCHES FIRST END IN
SUBSTITUTES & CROSS-REFERENCES 1
TYPE 253 T.O.E.Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 TYPE253 1/2 IN.IPS?
TYPE253 1/2 IN.IPS is a COUPLING,TUBE.
What parts can replace TYPE253 1/2 IN.IPS?
There is 1 known substitute for TYPE253 1/2 IN.IPS: TYPE 253 T.O.E.. Substitute compatibility should be verified for your specific system.
What is the NSN for TYPE253 1/2 IN.IPS?
TYPE253 1/2 IN.IPS is cataloged in the U.S. Government catalog under NSN 4730-01-153-8376. This indicates validated use in U.S. government and defense supply chains.
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