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59-821-5 — RELAY,ELECTROMAGNETIC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

59-821-5: RELAY,ELECTROMAGNETIC.

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 2.6657 INCHES MINIMUM AND 2.6667 INCHES MAXIMUM IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-021-3125, 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
59-821-5
NSN: 3020-00-021-3125
NIINs: 000213125, 012886217
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
body_stylePLAIN, SOLID
bore_stylePLAIN BOTH ENDS
tooth_formSTANDARD
pitch_diameter2.6657 INCHES MINIMUM AND 2.6667 INCHES MAXIMUM IN
pressure_angle20.0000 DEGREES
teeth_quantity128
style_designatorPROTRUDING HUB
attachment_methodMOUNTING HOLE
face_nominal_width0.095 INCHES IN
hub_nominal_diameter0.620 INCHES FIRST END IN
hub_style_designatorPINNED FIRST END
NSN3020-00-021-3125
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN 59-821-5 MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
•
BORE NOMINAL DIAMETER: 0.241 INCHES BOTH ENDS IN
•
HUB NOMINAL DIAMETER: 0.620 INCHES FIRST END IN
•
TEETH QUANTITY: 128
•
BODY STYLE: PLAIN, SOLID
•
BORE STYLE: PLAIN BOTH ENDS
•
MOUNTING HOLE TYPE AND QUANTITY: 2 PLAIN TRANSVERSELY THROUGH HUB FIRST END
•
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.340 INCHES FIRST END IN
•
PRECISION CLASSIFICATION: QUALITY NUMBER 10 OR QUALITY NUMBER 11
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER0.241 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER0.620 INCHES FIRST END IN
TEETH QUANTITY128
BODY STYLEPLAIN, SOLID
BORE STYLEPLAIN BOTH ENDS
MOUNTING HOLE TYPE AND QUANTITY2 PLAIN TRANSVERSELY THROUGH HUB FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.340 INCHES FIRST END IN
PRECISION CLASSIFICATIONQUALITY NUMBER 10 OR QUALITY NUMBER 11
MOUNTING HOLE NOMINAL DIAMETER0.112 INCHES AXIALLY THROUGH HUB FIRST END IN
NOMINAL OVERALL LENGTH0.435 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 1
1412542Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 59-821-5?
59-821-5 is a RELAY,ELECTROMAGNETIC.
What parts can replace 59-821-5?
There is 1 known substitute for 59-821-5: 1412542. Substitute compatibility should be verified for your specific system.
What is the NSN for 59-821-5?
59-821-5 is cataloged in the U.S. Government catalog under NSN 3020-00-021-3125. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.