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PartsTable / COMPONENT / R-1
R-1 ✓ Verified by PartsTable
Zalman · 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

<b>Optimized air flow cooling structure</b><br><br>Strong cooling effect and low noise via Zalman’s Cooling Solution<br><br><b>Install up to 5 System Fans</b><br><br>Maximized cooling performance with 3 fans that are preinstalled. User can installed up to 5 fans maximum<br><br><b>2 channel controller for fans applied</b><br><br>User can adjust the fan speed in 2 levels<br><br><b>Exclusive Cooling for Power Supply</b><br><br>Cools the power supply directly via the bottom air absorbing panel, maximizing efficiency and stability. 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.

WHERE IT FITS
R-1
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 MFR: Zalman RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN R-1 MFR Zalman RESISTOR,VARIABLE,NONW
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
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 R-1?
R-1 is a RESISTOR,VARIABLE,NONWIRE WOUND, manufactured by Zalman.
What parts can replace R-1?
There are 25 known substitutes for R-1: R1-9B, R-1, 3/16BALL-3/32S and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R-1?
R-1 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