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Technical Data Sheet
641-28 ✓ 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include duty_type: CONTINUOUS, body_width: 1.156 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN, time_delay: 5.00 SECONDS NOMINAL FIXED OPERATE TIME, body_height: 2.940 INCHES NOMINAL IN, body_length: 1.656 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN, body_material: METAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-478-3118, 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 641-28
NSN: 5915-00-478-3118
FSC: 5915
CAGE: 56662 — FREQUENCY SELECTIVE NETWORKS, INC. DBA FREQUENCY SELECTIVE NETWORKS INC (USA)
SPECIFICATIONS
duty_typeCONTINUOUS
body_width1.156 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
time_delay5.00 SECONDS NOMINAL FIXED OPERATE TIME
body_height2.940 INCHES NOMINAL IN
body_length1.656 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN
body_materialMETAL
coil_quantity1
overall_width0.870 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
overall_height1.530 INCHES NOMINAL IN
overall_length2.530 INCHES NOMINAL IN
style_designatorRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
NSN5915-00-478-3118
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN 641-28 MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
BODY SURFACE TREATMENT: TIN
BODY MATERIAL: METAL
MOUNTING FACILITY TYPE AND QUANTITY: 2 CAPTIVE SCREW(S) LOCATION NOT OTHERWISE SPECIFIED
BODY LENGTH: 1.656 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN
SOURCE IMPEDANCE RATING PER FUNCTION: 1.0 KILOHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
PRINCIPAL CIRCUITRY TYPE PER FUNCTION: INDUCTANCE-CAPACITANCE BLANK LOCATION NOT OTHERWISE SPECIFIED
BODY WIDTH: 1.156 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
VIBRATION RESISTANCE RANGE IN HERTZ: +5.0 TO 25.0
TECHNICAL CHARACTERISTICS (FLIS)
BODY SURFACE TREATMENTTIN
BODY MATERIALMETAL
MOUNTING FACILITY TYPE AND QUANTITY2 CAPTIVE SCREW(S) LOCATION NOT OTHERWISE SPECIFIED
BODY LENGTH1.656 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN
SOURCE IMPEDANCE RATING PER FUNCTION1.0 KILOHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
PRINCIPAL CIRCUITRY TYPE PER FUNCTIONINDUCTANCE-CAPACITANCE BLANK LOCATION NOT OTHERWISE SPECIFIED
BODY WIDTH1.156 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
VIBRATION RESISTANCE RANGE IN HERTZ+5.0 TO 25.0
INPUT TERMINAL MANUFACTURER CODE98278
NOMINAL THREAD SIZE0.164 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
94010Interchangeable
interchangeable cross-reference
interchangeable
P10378-101Interchangeable
interchangeable cross-reference
interchangeable
2921066-028Interchangeable
Same NIIN cross-reference
interchangeable
562385-28Interchangeable
Same NIIN cross-reference
interchangeable
F12674-28Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 641-28?
641-28 is a RELAY,ELECTROMAGNETIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 641-28?
There are 5 known substitutes for 641-28: 94010, P10378-101, 2921066-028 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 641-28?
641-28 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-478-3118. This indicates validated use in U.S. government and defense supply chains.
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