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26669 — 26669

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

26669: 26669.

The 26669 is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, inside_diameter: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-126-1809, 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
MRO→ MRO_GENERAL→ 26669
NSN: 5330-00-126-1809
NIINs: 001261809, 002154048, 003537608, 008339132
FSC: 5330 — Packing and Gasket Materials
CAGE: 79150 — DANA AUTOMOTIVE SYSTEMS GROUP, LLC DBA DANA SEALING PRODUCTS (USA)
SPECIFICATIONS
materialRUBBER OVERALL
inside_diameter0.750 INCHES NOMINAL IN
NSN5330-00-126-1809
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 26669 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
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 5.125 INCHES NOMINAL IN
•
APERTURE DIAMETER: 3.500 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 1
•
BOLT CIRCLE DIAMETER: 4.250 INCHES NOMINAL IN
•
MATERIAL: PAPER OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER5.125 INCHES NOMINAL IN
APERTURE DIAMETER3.500 INCHES NOMINAL IN
BOLT HOLE QUANTITY1
BOLT CIRCLE DIAMETER4.250 INCHES NOMINAL IN
SPECIAL FEATURES3 BOLT HOLES AT 0.531 INS
MATERIALPAPER OVERALL
HOLE DIAMETER0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 7
15149AReference document
Same NSN cross-reference
Reference document — Secondary reference
5967Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
31308FReference document
Same NSN cross-reference
Reference document — Secondary reference
1A4691Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
0P1019Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
62814Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 26669?
26669 is a 26669. It is classified as a MRO (MRO_GENERAL).
What parts can replace 26669?
There are 7 known substitutes for 26669: 15149A, 5967, 31308F and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 26669?
26669 is cataloged in the U.S. Government catalog under NSN 5330-00-126-1809. 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.