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551501 — FREQUENCY MULTIPLIER

✓ Government record, cited
LevelOne · GATE VALVE
PRODUCT OVERVIEW

551501: FREQUENCY MULTIPLIER.

Key features: -Industrial PoE Switch for harsh network applications. -4-port 10/100TX with embedded PoE injector. -1-port 100FX for connecting to LAN via Fiber Optic cable.

-Over-current protection. -Features Auto-sensing for detecting PoE or non-PoE devices. -Rigid metal casing for covered outdoor application.

-DIN-Rail, wall-mounting and stand-alone installation. This part is cataloged in the U.S. Government catalog under NSN 4810-00-375-8315, 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
551501
NSN: 4810-00-375-8315
NIINs: 003758315, 013620923
FSC: 4810 — Valves, Powered
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
materialSTEEL
control_typeREMOTE
overall_width1.400 INCHES NOMINAL IN
inclosure_typeENCASED
overall_height1.025 INCHES NOMINAL IN
overall_length6.400 INCHES NOMINAL IN
connection_typeCOAXIAL RECEPTACLE RIGHT SIDE
basic_shape_styleRECTANGULAR OR SQUARE
installation_designMECHANICAL
fsc_application_dataTEST SET,ELECT. EQUIP.
frequency_per_channel640.0 MEGAHERTZ MINIMUM OPERATING CHANNEL AND 10.2 GIGAHERTZ MAXIMUM OPERATING CHANNEL
average_life_measurementNOT RATED
NSN4810-00-375-8315
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 551501 · LevelOne ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OVERALL LENGTH2.925 INCHES NOMINAL IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
551501PC551501Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
548170PC551501Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 551501?
551501 is a FREQUENCY MULTIPLIER manufactured by LevelOne.
What parts can replace 551501?
There are 2 known substitutes for 551501: 551501PC551501, 548170PC551501. Substitute compatibility should be verified for your specific system.
What is the NSN for 551501?
551501 is cataloged in the U.S. Government catalog under NSN 4810-00-375-8315. 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.