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Q-TB-2733 — INSERT,TUBE FITTING

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

Q-TB-2733: INSERT,TUBE FITTING.

The INSERT,TUBE FITTING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360, style_designator: PLAIN, surface_treatment: LACQUER, casehardening_indicator: NOT CASEHARDENED, flange_outside_diameter: 0.230 INCHES NOMINAL IN, sleeve_outside_diameter: 0.174 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-041-5271, 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
Q-TB-2733
NSN: 4730-01-041-5271
NIINs: 010415271, 010451120
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 93061 — PARKER-HANNIFIN CORP DIV FLUID SYSTEM CONNECTOR DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360
style_designatorPLAIN
surface_treatmentLACQUER
casehardening_indicatorNOT CASEHARDENED
flange_outside_diameter0.230 INCHES NOMINAL IN
sleeve_outside_diameter0.174 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
tube_inside_diameter_for_which_designed0.188 INCHES NOMINAL IN
surface_treatment_document_and_classificationDYKEM STAIN,RED MFR REF SINGLE TREATMENT RESPONSE
NSN4730-01-041-5271
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: Q-TB-2733 · 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
•
STYLE DESIGNATOR: PLAIN
•
SLEEVE OUTSIDE DIAMETER: 0.174 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
•
TUBE INSIDE DIAMETER FOR WHICH DESIGNED: 0.188 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MATERIAL: COPPER ALLOY 360
•
FLANGE OUTSIDE DIAMETER: 0.230 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORPLAIN
SLEEVE OUTSIDE DIAMETER0.174 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
TUBE INSIDE DIAMETER FOR WHICH DESIGNED0.188 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
MATERIALCOPPER ALLOY 360
FLANGE OUTSIDE DIAMETER0.230 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
4730010415271Reference 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 Q-TB-2733?
Q-TB-2733 is a INSERT,TUBE FITTING.
What parts can replace Q-TB-2733?
There is 1 known substitute for Q-TB-2733: 4730010415271. Substitute compatibility should be verified for your specific system.
What is the NSN for Q-TB-2733?
Q-TB-2733 is cataloged in the U.S. Government catalog under NSN 4730-01-041-5271. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.