PartsTable
Technical Data Sheet
81421 ✓ Verified by PartsTable
InLine · MRO · MRO_GENERAL
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

- Pigtail 2m with ST plug.<br>- Simplex fiber: 62.5/125µm OM1.<br>- no halogen. Key specifications include diameter: 2.250 INCHES NOMINAL IN, material: STEEL, body_style: CYLINDRICAL SERVO MOUNTED, body_length: 1.250 INCHES NOMINAL IN, shaft_style: ROUND, bearing_type: BALL SHAFT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3610-00-394-9319, 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 81421
NSN: 3610-00-394-9319
FSC: 3610
CAGE: 11444 — CHALLENGE MACHINERY CO THE (USA)
SPECIFICATIONS
diameter2.250 INCHES NOMINAL IN
materialSTEEL
body_styleCYLINDRICAL SERVO MOUNTED
body_length1.250 INCHES NOMINAL IN
shaft_styleROUND
bearing_typeBALL SHAFT
pilot_length0.1000 INCHES NOMINAL IN
shaft_length1.000 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
body_diameter3.000 INCHES NOMINAL IN
overall_height5.750 INCHES NOMINAL IN
overall_length6.750 INCHES NOMINAL IN
NSN3610-00-394-9319
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: InLine RESISTOR,VARIABLE,WIRE WOUND,PRE TITLE COMPONENT PN 81421 MFR InLine RESISTOR,VARIABLE,WIRE
KEY FEATURES
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 42 IN. O/A LG,4 IN. O/A H,0.424 IN. TOP THK TAPERING TO 0.436 IN. BOTTOM THK BEFORE BEVEL,23.0 DEG BEVEL STARTING 1.023 IN. FROM BOTTOM TO PRODUCE CUTTING EDGE,6 PR /12 HOLES/ OF VERTICAL MTG HOLES,1ST PR 4.750 IN. FROM END OF BLADE AND EA PR 6.250 IN. C TO C TO ADJACENT PR,TOP ROW OF HOLES 0.375 FROM TOP OF KNIFE,BOTTOM ROW 1.000 IN. FROM TOP,ALL HOLES TAPPED 1/2-12 THD IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTION42 IN. O/A LG,4 IN. O/A H,0.424 IN. TOP THK TAPERING TO 0.436 IN. BOTTOM THK BEFORE BEVEL,23.0 DEG BEVEL STARTING 1.023 IN. FROM BOTTOM TO PRODUCE CUTTING EDGE,6 PR /12 HOLES/ OF VERTICAL MTG HOLES,1ST PR 4.750 IN. FROM END OF BLADE AND EA PR 6.250 IN. C TO C TO ADJACENT PR,TOP ROW OF HOLES 0.375 FROM TOP OF KNIFE,BOTTOM ROW 1.000 IN. FROM TOP,ALL HOLES TAPPED 1/2-12 THD IN
END ITEM IDENTIFICATIONDIAMOND PAPER CUTTER,CHALLENGE MACHINERY CO.
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
81421Interchangeable
interchangeable cross-reference
interchangeable
RVP3S55Interchangeable
interchangeable cross-reference
interchangeable
8210Interchangeable
interchangeable cross-reference
interchangeable
8644823Interchangeable
interchangeable cross-reference
interchangeable
8P-2171Interchangeable
Same NIIN cross-reference
interchangeable
6650CAND6738Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81421?
81421 is a RESISTOR,VARIABLE,WIRE WOUND,PRE manufactured by InLine. It is classified as a MRO (MRO_GENERAL).
What parts can replace 81421?
There are 7 known substitutes for 81421: 81421, RVP3S55, 8210 and 4 more. Substitute compatibility should be verified for your specific system.
Is 81421 still available?
81421 is currently cancelled.
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