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Technical Data Sheet
21837 ✓ 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

The SWITCH,PRESSURE is a the manufacturer industrial component. Key specifications include material: IRON CAST OVERALL, end_style: FULL LOOP BOTH ENDS, body_style: PLAIN, WITH LIGHTENING HOLES, tooth_form: STUB, design_type: DRY, hook_radius: 0.073 INCHES NOMINAL BOTH ENDS 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 5360-00-105-4344, 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 21837
NSN: 5360-00-105-4344
FSC: 5360
CAGE: 59501 — UNISON INDUSTRIES LLC (USA)
SPECIFICATIONS
materialIRON CAST OVERALL
end_styleFULL LOOP BOTH ENDS
body_stylePLAIN, WITH LIGHTENING HOLES
tooth_formSTUB
design_typeDRY
hook_radius0.073 INCHES NOMINAL BOTH ENDS IN
coil_quantity12
muffler_designSTRAIGHT THROUGH
overall_height0.406 INCHES NOMINAL IN
pitch_diameter4.0000 INCHES NOMINAL IN
pressure_angle26.0000 DEGREES
teeth_quantity24
NSN5360-00-105-4344
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,PRESSURE TITLE COMPONENT PN 21837 MFR SWITCH,PRESSURE
KEY FEATURES
SPRING FREE OUTSIDE DIAMETER: 0.195 INCHES NOMINAL IN
COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND
INSIDE DIAMETER: 0.147 INCHES NOMINAL IN
MATERIAL: STEEL OVERALL
SURFACE TREATMENT: CADMIUM OVERALL
SPRING FREE LENGTH: 0.818 INCHES NOMINAL IN
DESIGN TYPE: OPEN
COIL QUANTITY: 12
TECHNICAL CHARACTERISTICS (FLIS)
SPRING FREE OUTSIDE DIAMETER0.195 INCHES NOMINAL IN
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
INSIDE DIAMETER0.147 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SPRING FREE LENGTH0.818 INCHES NOMINAL IN
DESIGN TYPEOPEN
COIL QUANTITY12
END STYLEFULL LOOP BOTH ENDS
HOOK RADIUS0.073 INCHES NOMINAL BOTH ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
239916Interchangeable
interchangeable cross-reference
interchangeable
5A6711Interchangeable
interchangeable cross-reference
interchangeable
5990E5014Interchangeable
interchangeable cross-reference
interchangeable
9487Interchangeable
interchangeable cross-reference
interchangeable
A5388CInterchangeable
interchangeable cross-reference
interchangeable
21837Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21837?
21837 is a SWITCH,PRESSURE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 21837?
There are 9 known substitutes for 21837: 239916, 5A6711, 5990E5014 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21837?
21837 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-105-4344. This indicates validated use in U.S. government and defense supply chains.
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