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Technical Data Sheet
PartsTable / COMPONENT / 09-11721
09-11721 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PACKING ASSEMBLY is a the manufacturer industrial component. Key specifications include height: 1.312 INCHES NOMINAL IN, material: LEATHER INTERMEDIATE RING, inside_diameter: 5.000 INCHES NOMINAL IN, cross-sectional_shape_style: V TOP RING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-396-3004, 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
09-11721
NSN: 5330-00-396-3004
FSC: 5330
CAGE: 16662 — LIFT PARTS MFG CO INC DIV OF ECHLIN MFG CO THE (USA)
SPECIFICATIONS
height1.312 INCHES NOMINAL IN
materialLEATHER INTERMEDIATE RING
inside_diameter5.000 INCHES NOMINAL IN
separator_quantity2
intermediate_ring_quantity9
cross-sectional_shape_styleV TOP RING
NSN5330-00-396-3004
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 09-11721 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
•
SEPARATOR QUANTITY: 2
•
HEIGHT: 1.312 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: V TOP RING
•
MATERIAL: LEATHER TOP RING
•
INTERMEDIATE RING QUANTITY: 9
•
INSIDE DIAMETER: 5.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SEPARATOR QUANTITY2
HEIGHT1.312 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEV TOP RING
CROSS-SECTIONAL SHAPE STYLEV INTERMEDIATE RING
MATERIALLEATHER TOP RING
INTERMEDIATE RING QUANTITY9
MATERIALLEATHER INTERMEDIATE RING
INSIDE DIAMETER5.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
712804-2Interchangeable
interchangeable cross-reference
interchangeable
SAE11721Interchangeable
interchangeable cross-reference
interchangeable
5998PL0977599Interchangeable
interchangeable cross-reference
interchangeable
J537Interchangeable
interchangeable cross-reference
interchangeable
911721Interchangeable
interchangeable cross-reference
interchangeable
3EH-G-172Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 09-11721?
09-11721 is a PACKING ASSEMBLY.
What parts can replace 09-11721?
There are 16 known substitutes for 09-11721: 712804-2, SAE11721, 5998PL0977599 and 13 more. Substitute compatibility should be verified for your specific system.
Is 09-11721 still available?
09-11721 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