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26523-3-4 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

26523-3-4: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include overall_length: 0.291 FEET NOMINAL FT, overall_diameter: 0.250 FEET NOMINAL FT, end_item_identification: TORPEDO PROPELLANT ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-366-9730, 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
26523-3-4
NSN: 5330-00-366-9730
NIINs: 003669730, 004940737
FSC: 5330 — Packing and Gasket Materials
CAGE: 31577 — JAEGER MACHINE CO (USA)
SPECIFICATIONS
overall_length0.291 FEET NOMINAL FT
overall_diameter0.250 FEET NOMINAL FT
end_item_identificationTORPEDO PROPELLANT ASSEMBLY
NSN5330-00-366-9730
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 26523-3-4 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: 0.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE CORNER INVERTED RADIUS: 0.438 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 6.250 INCHES NOMINAL IN
•
OUTSIDE CORNER RADIUS: 0.438 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH7.125 INCHES NOMINAL IN
OUTSIDE CORNER INVERTED RADIUS0.438 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER6.250 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.438 INCHES NOMINAL IN
HOLE DIAMETER0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 1
26523-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 26523-3-4?
26523-3-4 is a GASKET.
What parts can replace 26523-3-4?
There is 1 known substitute for 26523-3-4: 26523-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 26523-3-4?
26523-3-4 is cataloged in the U.S. Government catalog under NSN 5330-00-366-9730. 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.