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12355353 — COUPLING,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

12355353: COUPLING,TUBE.

The COUPLING,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL NUT, seat_angle: 33.0 DEGREES ALL ENDS, thread_class: 3B ALL ENDS, connection_type: THREADED INTERNAL TUBE ALL ENDS, connection_style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END ALL ENDS, style_designator: SWIVEL, WRENCHING FACILITIES EACH END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-270-7650, 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
12355353
NSN: 4730-01-270-7650
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL NUT
seat_angle33.0 DEGREES ALL ENDS
thread_class3B ALL ENDS
connection_typeTHREADED INTERNAL TUBE ALL ENDS
connection_styleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END ALL ENDS
special_features37 DEGREE FLARE PER MS33584,BOTH ENDS;DO NOT PRIME AND PAINT FROM FLANGE OF SLEEVE TO NEAR END OF TUBE,BOTH ENDS;FINAL PROTECTIVE FINISH FOR EXTERIOR ONLY
style_designatorSWIVEL, WRENCHING FACILITIES EACH END
surface_treatmentPRIMER AND PLASTIC NUT
nominal_thread_size0.750 INCHES ALL ENDS IN
special_test_featuresTUBE ASSEMBLY TO BE PROOF TESTED AT 6000 PLUS OR MINUS 50 PSI FOR 30 TO 90 SECONDS WITHOUT LEAKAGE OR DAMAGE.
nominal_overall_length4.000 INCHES IN
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
NSN4730-01-270-7650
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 12355353 · 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
•
FURNISHED ITEMS AND QUANTITY: 2 NUT WITH SLEEVE
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-P-52192 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-46168 MIL SPEC 2ND TREATMENT RESPONSE NUT
•
CONNECTION STYLE: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END ALL ENDS
•
SPECIAL TEST FEATURES: TUBE ASSEMBLY TO BE PROOF TESTED AT 6000 PLUS OR MINUS 50 PSI FOR 30 TO 90 SECONDS WITHOUT LEAKAGE OR DAMAGE.
•
NOMINAL OVERALL LENGTH: 4.000 INCHES IN
•
CONNECTION TYPE: THREADED INTERNAL TUBE ALL ENDS
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY2 NUT WITH SLEEVE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-52192 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-46168 MIL SPEC 2ND TREATMENT RESPONSE NUT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-52192 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-46168 MIL SPEC 2ND TREATMENT RESPONSE SLEEVE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-52192 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-46168 MIL SPEC 2ND TREATMENT RESPONSE TUBE
CONNECTION STYLESWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END ALL ENDS
SPECIAL TEST FEATURESTUBE ASSEMBLY TO BE PROOF TESTED AT 6000 PLUS OR MINUS 50 PSI FOR 30 TO 90 SECONDS WITHOUT LEAKAGE OR DAMAGE.
NOMINAL OVERALL LENGTH4.000 INCHES IN
CONNECTION TYPETHREADED INTERNAL TUBE ALL ENDS
STYLE DESIGNATORSWIVEL, WRENCHING FACILITIES EACH END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-T-8504 MIL SPEC SINGLE MATERIAL RESPONSE TUBE
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

No substitute or cross-reference records for this part.

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 12355353?
12355353 is a COUPLING,TUBE.
What is the NSN for 12355353?
12355353 is cataloged in the U.S. Government catalog under NSN 4730-01-270-7650. This indicates validated use in U.S. government and defense supply chains.
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