PartsTable
Technical Data Sheet
TSH-1721-1 ✓ Verified by PartsTable
· 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

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include duty_type: CONTINUOUS, overall_length: 3.500 INCHES NOMINAL IN, overall_diameter: 3.188 INCHES NOMINAL IN, environmental_protection: WATERTIGHT, mounting_facility_pattern: IN-LINE SINGLE MOUNTING FACILITY, terminal_type_and_quantity: 4 PIN ALL FUNCTIONS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-636-8778, 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
TSH-1721-1
NSN: 5945-00-636-8778
FSC: 5945
CAGE: 0U8Z9 — NATIONAL PATENT ANALYTICAL SYSTEMS, INC (USA)
SPECIFICATIONS
duty_typeCONTINUOUS
coil_quantity1
overall_length3.500 INCHES NOMINAL IN
overall_diameter3.188 INCHES NOMINAL IN
winding_quantity1
environmental_protectionWATERTIGHT
mounting_facility_patternIN-LINE SINGLE MOUNTING FACILITY
terminal_type_and_quantity4 PIN ALL FUNCTIONS
winding_dc_resistance_rating0.48 OHMS NOMINAL SINGLE WINDING
unthreaded_mounting_hole_diameter0.281 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
mounting_facility_type_and_quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
nonpile-up_main_contact_arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
NSN5945-00-636-8778
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN TSH-1721-1 MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
UNTHREADED MOUNTING HOLE DIAMETER: 0.281 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
WINDING QUANTITY: 1
TERMINAL TYPE AND QUANTITY: 4 PIN ALL FUNCTIONS
DUTY TYPE: CONTINUOUS
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 58.7 AMPERES DC RESISTIVE LOAD
NOMINAL OPERATING CURRENT RATING AND TYPE: 50.0 AMPERES DC SINGLE WINDING
ENVIRONMENTAL PROTECTION: WATERTIGHT
MOUNTING FACILITY PATTERN: IN-LINE SINGLE MOUNTING FACILITY
TECHNICAL CHARACTERISTICS (FLIS)
UNTHREADED MOUNTING HOLE DIAMETER0.281 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
WINDING QUANTITY1
TERMINAL TYPE AND QUANTITY4 PIN ALL FUNCTIONS
DUTY TYPECONTINUOUS
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE58.7 AMPERES DC RESISTIVE LOAD
NOMINAL OPERATING CURRENT RATING AND TYPE50.0 AMPERES DC SINGLE WINDING
ENVIRONMENTAL PROTECTIONWATERTIGHT
MOUNTING FACILITY PATTERNIN-LINE SINGLE MOUNTING FACILITY
OVERALL DIAMETER3.188 INCHES NOMINAL IN
COIL QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
300746Interchangeable
interchangeable cross-reference
interchangeable
570-300746-1Interchangeable
interchangeable cross-reference
interchangeable
A-6306Interchangeable
interchangeable cross-reference
interchangeable
106300Interchangeable
interchangeable cross-reference
interchangeable
101HXX110Interchangeable
Same NIIN cross-reference
interchangeable
7357485Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TSH-1721-1?
TSH-1721-1 is a RELAY,ELECTROMAGNETIC.
What parts can replace TSH-1721-1?
There are 9 known substitutes for TSH-1721-1: 300746, 570-300746-1, A-6306 and 6 more. Substitute compatibility should be verified for your specific system.
Is TSH-1721-1 still available?
TSH-1721-1 is currently cancelled.
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