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F-9188-733 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

F-9188-733: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER, center_hole_diameter: 6.730 INCHES NOMINAL IN, cross-sectional_height: 0.430 INCHES NOMINAL IN, end_item_identification: M1A1 TANK BLOCK 11. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-191-8814, 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
F-9188-733
NSN: 5331-01-191-8814
FSC: 5331 — O-ring
CAGE: 5F573 — GREENE TWEED & CO INC (USA)
SPECIFICATIONS
materialRUBBER
center_hole_diameter6.730 INCHES NOMINAL IN
cross-sectional_height0.430 INCHES NOMINAL IN
end_item_identificationM1A1 TANK BLOCK 11
NSN5331-01-191-8814
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: F-9188-733 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: 0.430 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 6.730 INCHES NOMINAL IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.430 INCHES NOMINAL IN
CENTER HOLE DIAMETER6.730 INCHES NOMINAL IN
END ITEM IDENTIFICATIONM1A1 TANK BLOCK 11
MATERIALRUBBER
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 2
5331011918814Reference document
Same NSN cross-reference
Reference document — Informative reference only
12312058Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is F-9188-733?
F-9188-733 is a O-RING.
What parts can replace F-9188-733?
There are 2 known substitutes for F-9188-733: 5331011918814, 12312058. Substitute compatibility should be verified for your specific system.
What is the NSN for F-9188-733?
F-9188-733 is cataloged in the U.S. Government catalog under NSN 5331-01-191-8814. 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.