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Technical Data Sheet
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638-E649 — Technical Data Sheet

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— · 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 638-E649 is a the manufacturer industrial component. Key specifications include unable_to_decode: UNABLE TO DECODE, nuclear_hardness_critical_feature: NONHARDENED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 6625-01-089-8955, 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→ 638-E649
NSN: 6625-01-089-8955
FSC: 6625
CAGE: 77221 — PHAOSTRON INSTRUMENT AND ELECTRONIC COMPANY (USA)
SPECIFICATIONS
unable_to_decodeUNABLE TO DECODE
nuclear_hardness_critical_featureNONHARDENED
NSN6625-01-089-8955
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 638-E649 TITLE COMPONENT PN 638-E649 MFR 638-E649
KEY FEATURES
•
UNABLE TO DECODE: UNABLE TO DECODE
•
NUCLEAR HARDNESS CRITICAL FEATURE: NONHARDENED
TECHNICAL CHARACTERISTICS
UNABLE TO DECODEUNABLE TO DECODE
UNABLE TO DECODEUNABLE TO DECODE
UNABLE TO DECODEUNABLE TO DECODE
UNABLE TO DECODEUNABLE TO DECODE AND UNABLE TO DECODE
NUCLEAR HARDNESS CRITICAL FEATURENONHARDENED
UNABLE TO DECODEUNABLE TO DECODE
UNABLE TO DECODEUNABLE TO DECODE
UNABLE TO DECODEUNABLE TO DECODE AND UNABLE TO DECODE
UNABLE TO DECODEUNABLE TO DECODE
UNABLE TO DECODEUNABLE TO DECODE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
9N12113AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
9N12113A1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1846020InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
365786InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
T7618670-704InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
767B851InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMATSourcing: other
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FREQUENTLY ASKED QUESTIONS
What is 638-E649?
638-E649 is a 638-E649. It is classified as a MRO (MRO_GENERAL).
What parts can replace 638-E649?
There are 15 known substitutes for 638-E649: 9N12113A, 9N12113A1, 1846020 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 638-E649?
638-E649 is cataloged in the Federal Logistics Information System under NSN 6625-01-089-8955. 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: September 2026