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PartsTable / COMPONENT / 1805186
1805186 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The TRANSFORMER ASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL, attachment_method: BOLTS, valve_size_for_which_designed: 0.750 INCHES AND 1.000 INCHES AND 1.250 INCHES IN, valve_type_for_which_designed: FLUID PRESSURE REGULATING, material_document_and_classification: ASTM A216, GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE, valve_model_number_for_which_designed: CLASS HNS-5. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-227-3750, 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
1805186
NSN: 5950-01-227-3750
FSC: 5950
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL
attachment_methodBOLTS
valve_size_for_which_designed0.750 INCHES AND 1.000 INCHES AND 1.250 INCHES IN
valve_type_for_which_designedFLUID PRESSURE REGULATING
material_document_and_classificationASTM A216, GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE
valve_model_number_for_which_designedCLASS HNS-5
general_characteristics_item_descriptionSTEEL ALLOY,2.250 IN. LG,3.500 IN. DIA O/A IN
NSN5950-01-227-3750
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER ASSEMBLY TITLE COMPONENT PN 1805186 MFR TRANSFORMER ASSEMBLY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
52897Interchangeable
interchangeable cross-reference
interchangeable
52897-0357Interchangeable
interchangeable cross-reference
interchangeable
N528970357Interchangeable
interchangeable cross-reference
interchangeable
2172ONInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1805186?
1805186 is a TRANSFORMER ASSEMBLY.
What parts can replace 1805186?
There are 4 known substitutes for 1805186: 52897, 52897-0357, N528970357 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1805186?
1805186 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-227-3750. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026