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PartsTable / COMPONENT / MS201BTX1
MS201BTX1 ✓ 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

SEGMENT,RETAINER RING,STEAM TURB. Key specifications include general_characteristics_item_description: STEEL MIL-S-861,CL405 COND. AN; FOUR SEGMENTS; SEGMENT W 1.490 IN.; SEGMENT THD 0.139 IN.

IN. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2825-01-199-7988, 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
MS201BTX1
NSN: 2825-01-199-7988
FSC: 2825
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL MIL-S-861,CL405 COND. AN; FOUR SEGMENTS; SEGMENT W 1.490 IN.; SEGMENT THD 0.139 IN. IN
NSN2825-01-199-7988
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEGMENT,RETAINER RING,STEAM TURB TITLE COMPONENT PN MS201BTX1 MFR SEGMENT,RETAINER RING,
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL MIL-S-861,CL405 COND. AN; FOUR SEGMENTS; SEGMENT W 1.490 IN.; SEGMENT THD 0.139 IN. IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL MIL-S-861,CL405 COND. AN; FOUR SEGMENTS; SEGMENT W 1.490 IN.; SEGMENT THD 0.139 IN. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
HJ-26X3Interchangeable
interchangeable cross-reference
interchangeable
J-1660Interchangeable
interchangeable cross-reference
interchangeable
J-1660 PIECE 41Interchangeable
interchangeable cross-reference
interchangeable
J-1660 PIECE 18Interchangeable
interchangeable cross-reference
interchangeable
141-0514Interchangeable
interchangeable cross-reference
interchangeable
J-1660 PIECE 19Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS201BTX1?
MS201BTX1 is a SEGMENT,RETAINER RING,STEAM TURB.
What parts can replace MS201BTX1?
There are 15 known substitutes for MS201BTX1: HJ-26X3, J-1660, J-1660 PIECE 41 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS201BTX1?
MS201BTX1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2825-01-199-7988. 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