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403551 — PLATE UPPER NVIS LE

✓ Government record, cited
Legrand · MRO · MRO_GENERAL
PRODUCT OVERVIEW

403551: PLATE UPPER NVIS LE.

The PLATE UPPER NVIS LE is a Legrand industrial component. Key specifications include filter: NOT INCLUDED, material: NICKEL ALLOY FLOW CONTROL DEVICE, body_style: STRAIGHT THRU, regulation_type: MANUAL SINGLE STAGE, special_features: MATERIAL; ALUMINUM WITH QQ-A-250/11; CHEMICAL COAT IN ACCORDANCE WITH MIL-C-5541 CLASS 3; ITEM HAS 4 MOUNTING HOLES, flow_control_device: DISK. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-180-9774, 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
MRO→ MRO_GENERAL→ 403551
NSN: 5340-01-180-9774
NIINs: 011809774, 012977251, 015782901
FSC: 5340 — Hardware, Commercial
CAGE: 3B150 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialNICKEL ALLOY FLOW CONTROL DEVICE
body_styleSTRAIGHT THRU
regulation_typeMANUAL SINGLE STAGE
special_featuresMATERIAL; ALUMINUM WITH QQ-A-250/11; CHEMICAL COAT IN ACCORDANCE WITH MIL-C-5541 CLASS 3; ITEM HAS 4 MOUNTING HOLES
flow_control_deviceDISK
valve_loading_methodSPRING
face_to_face_distance6.562 INCHES NOMINAL IN
manual_control_methodWHEEL
end_connection_quantity2
media_for_which_designedWATER
first_end_connection_typePLAIN FACE FLANGE
NSN5340-01-180-9774
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 403551 MFR: Legrand ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESMATERIAL; ALUMINUM WITH QQ-A-250/11; CHEMICAL COAT IN ACCORDANCE WITH MIL-C-5541 CLASS 3; ITEM HAS 4 MOUNTING HOLES
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 403551?
403551 is a PLATE UPPER NVIS LE manufactured by Legrand. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 403551?
403551 is cataloged in the U.S. Government catalog under NSN 5340-01-180-9774. This indicates validated use in U.S. government and defense supply chains.
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