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PartsTable / COMPONENT / N764820
N764820 ✓ 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

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include color: GRAY/GREY, material: STEEL, overall_width: 4.750 INCHES NOMINAL IN, overall_height: 5.500 INCHES NOMINAL IN, surface_treatment: ENAMEL, base_overall_length: 5.750 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7520-00-264-5479, 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
N764820
NSN: 7520-00-264-5479
FSC: 7520
CAGE: 1HEN9 — NOBLE SUPPLY & LOGISTICS, LLC (USA)
SPECIFICATIONS
colorGRAY/GREY
materialSTEEL
overall_width4.750 INCHES NOMINAL IN
overall_height5.500 INCHES NOMINAL IN
surface_treatmentENAMEL
base_overall_length5.750 INCHES NOMINAL IN
base_protective_coveringNOT INCLUDED
NSN7520-00-264-5479
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,INTERNAL COMBUSTION ENGIN TITLE COMPONENT PN N764820 MFR PISTON,INTERNAL COMBUS
KEY FEATURES
•
MATERIAL: STEEL
•
SURFACE TREATMENT: ENAMEL
•
BASE PROTECTIVE COVERING: NOT INCLUDED
•
COLOR: GRAY/GREY
•
BASE OVERALL LENGTH: 5.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
SURFACE TREATMENTENAMEL
BASE PROTECTIVE COVERINGNOT INCLUDED
COLORGRAY/GREY
OVERALL WIDTH4.750 INCHES NOMINAL IN
BASE OVERALL LENGTH5.750 INCHES NOMINAL IN
OVERALL HEIGHT5.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
AA-B-551 TY1Interchangeable
interchangeable cross-reference
interchangeable
7520-00-139-6158Interchangeable
interchangeable cross-reference
interchangeable
99966Interchangeable
interchangeable cross-reference
interchangeable
29711Interchangeable
interchangeable cross-reference
interchangeable
99964Interchangeable
interchangeable cross-reference
interchangeable
99967Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N764820?
N764820 is a PISTON,INTERNAL COMBUSTION ENGIN.
What parts can replace N764820?
There are 7 known substitutes for N764820: AA-B-551 TY1, 7520-00-139-6158, 99966 and 4 more. Substitute compatibility should be verified for your specific system.
Is N764820 still available?
N764820 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026