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Technical Data Sheet
PartsTable / COMPONENT / 1264-839
1264-839 ✓ 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 HEATER,RANGE FOCUS is a the manufacturer industrial component. Key specifications include end_item_identification: PETROLEUM QUALITY ANALYSIS SYSTEM (PQAS). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4540-01-191-4965, 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
1264-839
NSN: 4540-01-191-4965
FSC: 4540
CAGE: 72314 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)
SPECIFICATIONS
end_item_identificationPETROLEUM QUALITY ANALYSIS SYSTEM (PQAS)
NSN4540-01-191-4965
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEATER,RANGE FOCUS TITLE COMPONENT PN 1264-839 MFR HEATER,RANGE FOCUS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
2781Interchangeable
interchangeable cross-reference
interchangeable
624VLF00787Interchangeable
interchangeable cross-reference
interchangeable
6654Interchangeable
interchangeable cross-reference
interchangeable
M1066Interchangeable
interchangeable cross-reference
interchangeable
1066Interchangeable
interchangeable cross-reference
interchangeable
2-1000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1264-839?
1264-839 is a HEATER,RANGE FOCUS.
What parts can replace 1264-839?
There are 13 known substitutes for 1264-839: 2781, 624VLF00787, 6654 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1264-839?
1264-839 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4540-01-191-4965. 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