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52155K33 — ADAPTER,STRAIGHT,HOSE TO GROOVED

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

52155K33: ADAPTER,STRAIGHT,HOSE TO GROOVED.

ADAPTER,STRAIGHT,HOSE TO GROOVED. Key specifications include material: COPPER ALLOY OVERALL, flow_angle: 180.0 DEGREES, connection_type: GROOVED COUPLING FIRST END, coupling_flange_shape: ROUND, end_item_identification: NSN 4520-01-564-3917, nominal_pipe_size_accommodated: 1.250 INCHES SECOND END IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-679-8181, 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
52155K33
NSN: 4730-01-679-8181
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flow_angle180.0 DEGREES
connection_typeGROOVED COUPLING FIRST END
coupling_flange_shapeROUND
end_item_identificationNSN 4520-01-564-3917
nominal_pipe_size_accommodated1.250 INCHES SECOND END IN
nominal_inside_diameter_hose_accommodated1.250 INCHES FIRST END IN
NSN4730-01-679-8181
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 52155K33 · 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
•
FLOW ANGLE: 180.0 DEGREES
•
NOMINAL PIPE SIZE ACCOMMODATED: 1.250 INCHES SECOND END IN
•
COUPLING FLANGE SHAPE: ROUND
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 1.250 INCHES FIRST END IN
•
CONNECTION TYPE: GROOVED COUPLING FIRST END
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
FLOW ANGLE180.0 DEGREES
NOMINAL PIPE SIZE ACCOMMODATED1.250 INCHES SECOND END IN
COUPLING FLANGE SHAPEROUND
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED1.250 INCHES FIRST END IN
CONNECTION TYPEGROOVED COUPLING FIRST END
END ITEM IDENTIFICATIONNSN 4520-01-564-3917
MATERIALCOPPER ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 52155K33?
52155K33 is a ADAPTER,STRAIGHT,HOSE TO GROOVED.
What is the NSN for 52155K33?
52155K33 is cataloged in the U.S. Government catalog under NSN 4730-01-679-8181. 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.