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11640743 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11640743: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include construction: SPLIT, overall_length: 76.250 INCHES MINIMUM AND 76.750 INCHES MAXIMUM IN, fabrication_method: SOLID, cross-sectional_width: 0.370 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN, cross-sectional_height: 0.560 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-933-3718, 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
11640743
NSN: 5330-00-933-3718
FSC: 5330 — Packing and Gasket Materials
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
constructionSPLIT
overall_length76.250 INCHES MINIMUM AND 76.750 INCHES MAXIMUM IN
fabrication_methodSOLID
cross-sectional_width0.370 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
cross-sectional_height0.560 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
NSN5330-00-933-3718
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11640743 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 HEIGHT: 0.560 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
•
CROSS-SECTIONAL WIDTH: 0.370 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
•
FABRICATION METHOD: SOLID
•
CONSTRUCTION: SPLIT
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.560 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
CROSS-SECTIONAL WIDTH0.370 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
OVERALL LENGTH76.250 INCHES MINIMUM AND 76.750 INCHES MAXIMUM IN
FABRICATION METHODSOLID
CONSTRUCTIONSPLIT
SUBSTITUTES & CROSS-REFERENCES 1
928211Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11640743?
11640743 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What parts can replace 11640743?
There is 1 known substitute for 11640743: 928211. Substitute compatibility should be verified for your specific system.
What is the NSN for 11640743?
11640743 is cataloged in the U.S. Government catalog under NSN 5330-00-933-3718. 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.