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551-7015420-F52 — RESTRICTOR,FLUID FLOW

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

551-7015420-F52: RESTRICTOR,FLUID FLOW.

The RESTRICTOR,FLUID FLOW is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY AND NICKEL ALLOY OVERALL, end_item_identification: MISC PARTS HP, material_document_and_classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL, maximum_working_pressure_rating_and_service_for_which_designed: 4500.0 POUNDS PER SQUARE INCH (PSI) AIR LBS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-515-3768, 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
551-7015420-F52
NSN: 4730-01-515-3768
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY AND NICKEL ALLOY OVERALL
end_item_identificationMISC PARTS HP
material_document_and_classificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
maximum_working_pressure_rating_and_service_for_which_designed4500.0 POUNDS PER SQUARE INCH (PSI) AIR LBS
NSN4730-01-515-3768
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 551-7015420-F52 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED: 4500.0 POUNDS PER SQUARE INCH (PSI) AIR LBS
•
MATERIAL: COPPER ALLOY AND NICKEL ALLOY OVERALL
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED4500.0 POUNDS PER SQUARE INCH (PSI) AIR LBS
END ITEM IDENTIFICATIONMISC PARTS HP
MATERIALCOPPER ALLOY AND NICKEL ALLOY OVERALL
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 8
551-7015420-F68Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
H765-3804-F68Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2621-561-02Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
H755-1207-F1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
551-7068191-F13Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
551-7068082-F1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 551-7015420-F52?
551-7015420-F52 is a RESTRICTOR,FLUID FLOW.
What parts can replace 551-7015420-F52?
There are 8 known substitutes for 551-7015420-F52: 551-7015420-F68, H765-3804-F68, 2621-561-02 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 551-7015420-F52?
551-7015420-F52 is cataloged in the U.S. Government catalog under NSN 4730-01-515-3768. This indicates validated use in U.S. government and defense supply chains.
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