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5188277 — SEAL,NONMETALLIC ROUND SECTION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5188277: SEAL,NONMETALLIC ROUND SECTION.

The SEAL,NONMETALLIC ROUND SECTION is a the manufacturer industrial component. Key specifications include construction: SPLIT, aperture_diameter: 38.750 INCHES NOMINAL IN, fabrication_method: SOLID, cross_section_inside_diameter: 0.187 INCHES NOMINAL IN, cross_section_outside_diameter: 0.313 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-187-4908, 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
5188277
NSN: 5330-01-187-4908
FSC: 5330 — Packing and Gasket Materials
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
constructionSPLIT
aperture_diameter38.750 INCHES NOMINAL IN
fabrication_methodSOLID
cross_section_inside_diameter0.187 INCHES NOMINAL IN
cross_section_outside_diameter0.313 INCHES NOMINAL IN
NSN5330-01-187-4908
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5188277 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
•
APERTURE DIAMETER: 38.750 INCHES NOMINAL IN
•
CROSS SECTION INSIDE DIAMETER: 0.187 INCHES NOMINAL IN
•
CROSS SECTION OUTSIDE DIAMETER: 0.313 INCHES NOMINAL IN
•
FABRICATION METHOD: SOLID
•
CONSTRUCTION: SPLIT
TECHNICAL CHARACTERISTICS
APERTURE DIAMETER38.750 INCHES NOMINAL IN
CROSS SECTION INSIDE DIAMETER0.187 INCHES NOMINAL IN
CROSS SECTION OUTSIDE DIAMETER0.313 INCHES NOMINAL IN
FABRICATION METHODSOLID
CONSTRUCTIONSPLIT
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5188277?
5188277 is a SEAL,NONMETALLIC ROUND SECTION.
What is the NSN for 5188277?
5188277 is cataloged in the U.S. Government catalog under NSN 5330-01-187-4908. 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.