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11588988-2 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11588988-2: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include construction: SOLID, fabrication_method: SOLID, cross-sectional_width: 0.687 INCHES NOMINAL IN, cross-sectional_height: 0.375 INCHES NOMINAL IN, cross-sectional_thickness: 0.062 INCHES NOMINAL IN, cross-sectional_shape_style: HOLLOW BULB. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-443-9876, 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
11588988-2
NSN: 5330-00-443-9876
FSC: 5330 — Packing and Gasket Materials
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
constructionSOLID
fabrication_methodSOLID
cross-sectional_width0.687 INCHES NOMINAL IN
cross-sectional_height0.375 INCHES NOMINAL IN
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleHOLLOW BULB
cross_section_inside_diameter0.250 INCHES NOMINAL IN
NSN5330-00-443-9876
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11588988-2 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: 0.062 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.375 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.687 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: HOLLOW BULB
•
CROSS SECTION INSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
FABRICATION METHOD: SOLID
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.375 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.687 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEHOLLOW BULB
CROSS SECTION INSIDE DIAMETER0.250 INCHES NOMINAL IN
FABRICATION METHODSOLID
CONSTRUCTIONSOLID
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11588988-2?
11588988-2 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What is the NSN for 11588988-2?
11588988-2 is cataloged in the U.S. Government catalog under NSN 5330-00-443-9876. 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.