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6886243 — 6886243

✓ Government record, cited
NAVAL SEA SYSTEMS COMMAND · ORING SEAL
PRODUCT OVERVIEW

6886243: 6886243.

The 6886243 is a NAVAL SEA SYSTEMS COMMAND industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-452-4263, 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
6886243
NSN: 5331-01-452-4263
FSC: 5331 — O-ring
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number6886243
ManufacturerNAVAL SEA SYSTEMS COMMAND
NSN5331-01-452-4263
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6886243 MFR: NAVAL SEA SYSTEMS COMMAND ⚠ 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: 0.035 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-25998, CL 1, GRADE 70 MIL SPEC SINGLE MATERIAL RESPONSE
•
CENTER HOLE DIAMETER: 0.149 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.035 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-25998, CL 1, GRADE 70 MIL SPEC SINGLE MATERIAL RESPONSE
CENTER HOLE DIAMETER0.149 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROSILICONE CLASS FQ
SUBSTITUTES & CROSS-REFERENCES 1
5-148L998-70Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 6886243?
6886243 is a 6886243 manufactured by NAVAL SEA SYSTEMS COMMAND.
What parts can replace 6886243?
There is 1 known substitute for 6886243: 5-148L998-70. Substitute compatibility should be verified for your specific system.
What is the NSN for 6886243?
6886243 is cataloged in the U.S. Government catalog under NSN 5331-01-452-4263. 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.