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5749373 — COUPLING,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

5749373: COUPLING,TUBE.

The COUPLING,TUBE is a the manufacturer industrial component. Key specifications include connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: PLAIN (TUBE) ALL ENDS, style_designator: PLAIN, nominal_overall_length: 1.370 INCHES IN, end_item_identification: 170 PATROL COASTAL(PC-1)CLASS SHIPS, nominal_outside_diameter_tube_accommodated: 0.450 INCHES ALL ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-443-2934, 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
5749373
NSN: 4730-01-443-2934
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_stylePLAIN (TUBE) ALL ENDS
style_designatorPLAIN
nominal_overall_length1.370 INCHES IN
end_item_identification170 PATROL COASTAL(PC-1)CLASS SHIPS
nominal_outside_diameter_tube_accommodated0.450 INCHES ALL ENDS IN
NSN4730-01-443-2934
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5749373 · 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) ALL ENDS
•
NOMINAL OVERALL LENGTH: 1.370 INCHES IN
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: PLAIN
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.450 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN (TUBE) ALL ENDS
NOMINAL OVERALL LENGTH1.370 INCHES IN
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
STYLE DESIGNATORPLAIN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.450 INCHES ALL ENDS IN
END ITEM IDENTIFICATION170 PATROL COASTAL(PC-1)CLASS SHIPS
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 4
119-5749373REV P FIND NO. 92Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5750388-069Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
119-5750388REV G FIND NO. 069Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5750388Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 5749373?
5749373 is a COUPLING,TUBE.
What parts can replace 5749373?
There are 4 known substitutes for 5749373: 119-5749373REV P FIND NO. 92, 5750388-069, 119-5750388REV G FIND NO. 069 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5749373?
5749373 is cataloged in the U.S. Government catalog under NSN 4730-01-443-2934. This indicates validated use in U.S. government and defense supply chains.
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