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12639171 — TANK,FUEL,ENGINE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12639171: TANK,FUEL,ENGINE.

The TANK,FUEL,ENGINE is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, outside_diameter: 0.665 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.578 INCHES NOMINAL IN, fsc_application_data: SETTING BOX,DEAD RECKONING SET,AIRCRAFT, cross-sectional_thickness: 0.008 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-582-2019, 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
12639171
NSN: 5330-00-582-2019
NIINs: 005822019, 017315372
FSC: 5330 — Packing and Gasket Materials
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
outside_diameter0.665 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.578 INCHES NOMINAL IN
fsc_application_dataSETTING BOX,DEAD RECKONING SET,AIRCRAFT
cross-sectional_thickness0.008 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-582-2019
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12639171 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FSC APPLICATION DATA: SETTING BOX,DEAD RECKONING SET,AIRCRAFT
•
CROSS-SECTIONAL THICKNESS: 0.008 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 0.665 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.578 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATASETTING BOX,DEAD RECKONING SET,AIRCRAFT
CROSS-SECTIONAL THICKNESS0.008 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER0.665 INCHES NOMINAL IN
APERTURE DIAMETER0.578 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
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 12639171?
12639171 is a TANK,FUEL,ENGINE.
What is the NSN for 12639171?
12639171 is cataloged in the U.S. Government catalog under NSN 5330-00-582-2019. 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.