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EU11997 — FELT,MECHANICAL,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

EU11997: FELT,MECHANICAL,PREFORMED.

The FELT,MECHANICAL,PREFORMED is a the manufacturer industrial component. Key specifications include material: WOOL OR WOOL COMP 9R1 OVERALL, outside_diameter: 1.385 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 1.090 INCHES MINIMUM AND 1.100 INCHES MAXIMUM IN, lubrication_method: COATED, lubrication_material: OIL OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-797-0566, 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
EU11997
NSN: 5330-00-797-0566
FSC: 5330 — Packing and Gasket Materials
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
materialWOOL OR WOOL COMP 9R1 OVERALL
outside_diameter1.385 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter1.090 INCHES MINIMUM AND 1.100 INCHES MAXIMUM IN
lubrication_methodCOATED
lubrication_materialOIL OVERALL
cross-sectional_width0.095 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
cross-sectional_height0.150 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS 3286 ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5330-00-797-0566
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: EU11997 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
•
LUBRICATION MATERIAL: OIL OVERALL
•
CROSS-SECTIONAL HEIGHT: 0.150 INCHES NOMINAL IN
•
LUBRICATION METHOD: COATED
•
CROSS-SECTIONAL WIDTH: 0.095 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3286 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 1.385 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALOIL OVERALL
CROSS-SECTIONAL HEIGHT0.150 INCHES NOMINAL IN
LUBRICATION METHODCOATED
CROSS-SECTIONAL WIDTH0.095 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3286 ASSN STD ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER1.385 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN
APERTURE DIAMETER1.090 INCHES MINIMUM AND 1.100 INCHES MAXIMUM IN
MATERIALWOOL OR WOOL COMP 9R1 OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
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 EU11997?
EU11997 is a FELT,MECHANICAL,PREFORMED.
What is the NSN for EU11997?
EU11997 is cataloged in the U.S. Government catalog under NSN 5330-00-797-0566. 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.