PartsTable
Technical Data Sheet
PartsTable / MRO / 640-44
640-44 ✓ Verified by PartsTable
Hama · 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

- wooden frame<br>- including prepunched passepartouts<br>- round ground, quality washed glass<br>- precision mitring<br>- living character for a unique atmosphere. Key specifications include body_width: 1.252 INCHES NOMINAL IN, body_height: 2.938 INCHES NOMINAL IN, body_length: 1.752 INCHES NOMINAL IN, body_material: METAL, overall_width: 0.900 INCHES NOMINAL IN, inclosure_type: ENCASED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-500-9895, 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→ 640-44
NSN: 5915-00-500-9895
FSC: 5915
CAGE: 56662 — FREQUENCY SELECTIVE NETWORKS, INC. DBA FREQUENCY SELECTIVE NETWORKS INC (USA)
SPECIFICATIONS
body_width1.252 INCHES NOMINAL IN
body_height2.938 INCHES NOMINAL IN
body_length1.752 INCHES NOMINAL IN
body_materialMETAL
overall_width0.900 INCHES NOMINAL IN
inclosure_typeENCASED
overall_height0.190 INCHES NOMINAL IN
overall_length0.760 INCHES NOMINAL IN
mounting_methodPRESS FIT
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
style_designatorRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
features_providedHERMETICALLY SEALED CASE
NSN5915-00-500-9895
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Hama FUSE LINK,ELECTRICAL TITLE COMPONENT PN 640-44 MFR Hama FUSE LINK,ELECTRICAL
KEY FEATURES
•
BODY WIDTH: 1.252 INCHES NOMINAL IN
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 CAPTIVE SCREW(S) LOCATION NOT OTHERWISE SPECIFIED
•
STYLE DESIGNATOR: RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
•
INCLOSURE TYPE: ENCASED
•
FUNCTIONAL TERMINAL TYPE AND QUANTITY: 1 PIN GROUND THIRD FUNCTION
•
SPECIFIED FREQUENCIES OF DISCRIMINATION PER FUNCTION: 1.105 MEGAHERTZ BLANK AND 1.105125 MEGAHERTZ BLANK AND 1.105375 MEGAHERTZ BLANK AND 1.1055 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
•
BODY HEIGHT: 2.938 INCHES NOMINAL IN
•
OUTPUT IMPEDANCE PER FUNCTION W/SOURCE ACROSS INPUT: 1.0 KILOHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS (FLIS)
BODY WIDTH1.252 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY2 CAPTIVE SCREW(S) LOCATION NOT OTHERWISE SPECIFIED
STYLE DESIGNATORRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
INCLOSURE TYPEENCASED
FUNCTIONAL TERMINAL TYPE AND QUANTITY1 PIN GROUND THIRD FUNCTION
SPECIFIED FREQUENCIES OF DISCRIMINATION PER FUNCTION1.105 MEGAHERTZ BLANK AND 1.105125 MEGAHERTZ BLANK AND 1.105375 MEGAHERTZ BLANK AND 1.1055 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
BODY HEIGHT2.938 INCHES NOMINAL IN
OUTPUT IMPEDANCE PER FUNCTION W/SOURCE ACROSS INPUT1.0 KILOHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
FREQUENCY BAND WIDTH PER FUNCTION1.105125 MEGAHERTZ BLANK AND 1.105375 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
FUNCTIONAL TERMINAL TYPE AND QUANTITY1 CONNECTOR, PLUG INPUT FIRST FUNCTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
16INInterchangeable
interchangeable cross-reference
interchangeable
64005Interchangeable
interchangeable cross-reference
interchangeable
64044Interchangeable
interchangeable cross-reference
interchangeable
407257-1-AInterchangeable
interchangeable cross-reference
interchangeable
SD8250 (GENERIC)Interchangeable
interchangeable cross-reference
interchangeable
B18.2.2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 640-44?
640-44 is a FUSE LINK,ELECTRICAL manufactured by Hama. It is classified as a MRO (MRO_GENERAL).
What parts can replace 640-44?
There are 10 known substitutes for 640-44: 16IN, 64005, 64044 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 640-44?
640-44 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-500-9895. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026