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CY4546 — MANIFOLD,HYDRAULIC SYSTEM ACCESS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

CY4546: MANIFOLD,HYDRAULIC SYSTEM ACCESS.

MANIFOLD,HYDRAULIC SYSTEM ACCESS. Key specifications include end_item_identification: NEW CONSTRUCTION LPD21, part_name_assigned_by_controlling_agency: CYLINDER SEQUENCE MANIFOLD FOR NMD-389. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-554-3493, 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
CY4546
NSN: 4730-01-554-3493
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0P6V5 — HSI CORPORATION (USA)
SPECIFICATIONS
end_item_identificationNEW CONSTRUCTION LPD21
part_name_assigned_by_controlling_agencyCYLINDER SEQUENCE MANIFOLD FOR NMD-389
NSN4730-01-554-3493
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: CY4546 · 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
PART NAME ASSIGNED BY CONTROLLING AGENCYCYLINDER SEQUENCE MANIFOLD FOR NMD-389
END ITEM IDENTIFICATIONNEW CONSTRUCTION LPD21
SUBSTITUTES & CROSS-REFERENCES 1
AMD-1740Reference 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 CY4546?
CY4546 is a MANIFOLD,HYDRAULIC SYSTEM ACCESS.
What parts can replace CY4546?
There is 1 known substitute for CY4546: AMD-1740. Substitute compatibility should be verified for your specific system.
What is the NSN for CY4546?
CY4546 is cataloged in the U.S. Government catalog under NSN 4730-01-554-3493. 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.