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Technical Data Sheet
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5531-001 — RESTRICTOR,FLUID FLOW

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

5531-001: RESTRICTOR,FLUID FLOW.

The RESTRICTOR,FLUID FLOW is a the manufacturer industrial component. Key specifications include end_item_identification: ARLEIGH BURKE CLASS DDG. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-108-7371, 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
5531-001
NSN: 4730-01-108-7371
NIINs: 011087371, 012029922
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 47WD8 — EVAC NORTH AMERICA INC (USA)
SPECIFICATIONS
end_item_identificationARLEIGH BURKE CLASS DDG
NSN4730-01-108-7371
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5531-001 · 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONARLEIGH BURKE CLASS DDG
SUBSTITUTES & CROSS-REFERENCES 1
2503027-001Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5531-001?
5531-001 is a RESTRICTOR,FLUID FLOW.
What parts can replace 5531-001?
There is 1 known substitute for 5531-001: 2503027-001. Substitute compatibility should be verified for your specific system.
What is the NSN for 5531-001?
5531-001 is cataloged in the U.S. Government catalog under NSN 4730-01-108-7371. This indicates validated use in U.S. government and defense supply chains.
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