PartsTable
Technical Data Sheet
21-121 ✓ Verified by PartsTable
· 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

ACTUATOR,HYDRAULIC-PNEUMATIC,ROT. Key specifications include color: COLORLESS, width: 3.00 INCHES NOMINAL IN, height: 1.000 INCHES NOMINAL IN, length: 8.500 INCHES NOMINAL IN, material: ALUMINUM ALLOY, end_style: HALF HOOK SECOND END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5355-00-144-6986, 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 21-121
NSN: 5355-00-144-6986
FSC: 5355
CAGE: C7407 — IV-ELECTRONIC KLAUS VESPERMANN KG (DEU)
SPECIFICATIONS
colorCOLORLESS
width3.00 INCHES NOMINAL IN
height1.000 INCHES NOMINAL IN
length8.500 INCHES NOMINAL IN
materialALUMINUM ALLOY
end_styleHALF HOOK SECOND END
lens_typeFLAT, NARROW SINGLE LIGHT FIRST POSITION HORIZONTAL
drive_typeDIRECT
lens_colorCOLORLESS SINGLE LIGHT FIRST POSITION HORIZONTAL
scale_typeLINEAR SINGLE SCALE
shaft_typeSHOULDERED
hook_radius0.063 INCHES NOMINAL OVERALL IN
NSN5355-00-144-6986
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ACTUATOR,HYDRAULIC-PNEUMATIC,ROT TITLE COMPONENT PN 21-121 MFR ACTUATOR,HYDRAULIC-PNE
KEY FEATURES
OUTSIDE DIAMETER: 1.812 INCHES NOMINAL IN
ATTACHMENT METHOD: SETSCREWS
SETSCREW HOLE QUANTITY: 1
HEIGHT: 1.000 INCHES NOMINAL IN
MATERIAL: PLASTIC OVERALL
POSITIONING MECHANISM TYPE: KNOB DUAL
DRIVE TYPE: DIRECT
SCALE DIVISION QUANTITY: 100 SINGLE SCALE
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER1.812 INCHES NOMINAL IN
ATTACHMENT METHODSETSCREWS
SETSCREW HOLE QUANTITY1
HEIGHT1.000 INCHES NOMINAL IN
MATERIALPLASTIC OVERALL
POSITIONING MECHANISM TYPEKNOB DUAL
DRIVE TYPEDIRECT
SCALE DIVISION QUANTITY100 SINGLE SCALE
SCALE TYPELINEAR SINGLE SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
2112-1Interchangeable
interchangeable cross-reference
interchangeable
40-001038-01Interchangeable
interchangeable cross-reference
interchangeable
10-99-532Interchangeable
interchangeable cross-reference
interchangeable
ADH12Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-631 TY1CL1Interchangeable
interchangeable cross-reference
interchangeable
3238986Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21-121?
21-121 is a ACTUATOR,HYDRAULIC-PNEUMATIC,ROT. It is classified as a MRO (MRO_GENERAL).
What parts can replace 21-121?
There are 18 known substitutes for 21-121: 2112-1, 40-001038-01, 10-99-532 and 15 more. Substitute compatibility should be verified for your specific system.
Is 21-121 still available?
21-121 is currently cancelled.
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