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PartsTable / COMPONENT / MR1S1-250
MR1S1-250 ✓ 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 ROLL,ROLLER TUBE EXPANDER is a the manufacturer industrial component. Key specifications include color: BLACK, lever: INCLUDED, shape: STRAIGHT, length: 1.562 INCHES NOMINAL IN, diameter: 0.125 INCHES NOMINAL IN, material: COPPER ALLOY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4420-00-012-2457, 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
MR1S1-250
NSN: 4420-00-012-2457
FSC: 4420
CAGE: 70211 — INDRESCO INC INDUSTRIAL TOOL DIV (USA)
SPECIFICATIONS
colorBLACK
leverINCLUDED
shapeSTRAIGHT
length1.562 INCHES NOMINAL IN
diameter0.125 INCHES NOMINAL IN
materialCOPPER ALLOY
unit_typeHINGED JAW
chain_size0.250 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
design_typeNONREUSABLE
lever_length16.000 INCHES MINIMUM AND 21.500 INCHES MAXIMUM IN
body_diameter4.531 INCHES NOMINAL IN
cell_quantity3
NSN4420-00-012-2457
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ROLL,ROLLER TUBE EXPANDER TITLE COMPONENT PN MR1S1-250 MFR ROLL,ROLLER TUBE EXPAN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
R1-9BInterchangeable
interchangeable cross-reference
interchangeable
R-1Interchangeable
interchangeable cross-reference
interchangeable
3/16BALL-3/32SInterchangeable
interchangeable cross-reference
interchangeable
18.209-1Interchangeable
interchangeable cross-reference
interchangeable
1112-0008Interchangeable
interchangeable cross-reference
interchangeable
GGG-B-325 TY2CL1STAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MR1S1-250?
MR1S1-250 is a ROLL,ROLLER TUBE EXPANDER.
What parts can replace MR1S1-250?
There are 24 known substitutes for MR1S1-250: R1-9B, R-1, 3/16BALL-3/32S and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MR1S1-250?
MR1S1-250 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4420-00-012-2457. 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