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1766K681 — TEE,AIR CONDITIONING-HEATING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1766K681: TEE,AIR CONDITIONING-HEATING.

The TEE,AIR CONDITIONING-HEATING is a the manufacturer industrial component. Key specifications include material: STEEL, overall_length: 12.000 INCHES NOMINAL IN, overall_diameter: 6.000 INCHES NOMINAL IN, style_designator: TEE, surface_treatment: ZINC. This part is cataloged in the U.S.

Government catalog under NSN 4520-01-321-5506, 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
1766K681
NSN: 4520-01-321-5506
FSC: 4520 — Space and Water Heating Equipment
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL
overall_length12.000 INCHES NOMINAL IN
overall_diameter6.000 INCHES NOMINAL IN
style_designatorTEE
surface_treatmentZINC
NSN4520-01-321-5506
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TEE,AIR CONDITIONING-HEATING TITLE COMPONENT PN 1766K681 MFR TEE,AIR CONDITIONING-H
KEY FEATURES
•
OVERALL DIAMETER: 6.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: TEE
•
SURFACE TREATMENT: ZINC
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER6.000 INCHES NOMINAL IN
STYLE DESIGNATORTEE
OVERALL LENGTH12.000 INCHES NOMINAL IN
SURFACE TREATMENTZINC
MATERIALSTEEL
OTHER ITEMS IN FSC 4520 — Space and Water Heating Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4520-00-000-0098 4520-00-000-0099 4520-00-001-1240 4520-00-001-3518 4520-00-001-3519 4520-00-001-6052 4520-00-001-6298 4520-00-001-7726
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1766K681?
1766K681 is a TEE,AIR CONDITIONING-HEATING.
What is the NSN for 1766K681?
1766K681 is cataloged in the U.S. Government catalog under NSN 4520-01-321-5506. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.