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121188 — BUOY,NAVIGATIONAL MARKER,LIGHTED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

121188: BUOY,NAVIGATIONAL MARKER,LIGHTED.

BUOY,NAVIGATIONAL MARKER,LIGHTED. Key specifications include sound_device: NOT INCLUDED, radar_reflector: INCLUDED, overall_diameter: 8.0 FEET NOMINAL FT, special_features: W/O BATTERY POCKETS, end_item_identification: BUOYS,CHAINS,BRIDLES, AND SINKERS P/N CG-432-PARTS, height_from_counterweight_bottom_to_lantern_focal_plane: 26.0 FEET NOMINAL FT. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-597-6007, 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
121188
NSN: 5340-00-597-6007
NIINs: 005976007, 016201103
FSC: 5340 — Hardware, Commercial
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
sound_deviceNOT INCLUDED
radar_reflectorINCLUDED
overall_diameter8.0 FEET NOMINAL FT
special_featuresW/O BATTERY POCKETS
end_item_identificationBUOYS,CHAINS,BRIDLES, AND SINKERS P/N CG-432-PARTS
height_from_counterweight_bottom_to_lantern_focal_plane26.0 FEET NOMINAL FT
NSN5340-00-597-6007
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 121188 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
•
FEATHER EDGE ANGLE: 45.0 DEGREES NOMINAL
•
CENTER HOLE DIAMETER: 0.625 INCHES NOMINAL IN
•
BASE MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
MATERIAL: LEATHER OVERALL
•
RECESS INSIDE DIAMETER: 1.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FEATHER EDGE ANGLE45.0 DEGREES NOMINAL
OVERALL LENGTH0.375 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.625 INCHES NOMINAL IN
BASE MATERIAL THICKNESS0.125 INCHES NOMINAL IN
MATERIALLEATHER OVERALL
RECESS INSIDE DIAMETER1.750 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 121188?
121188 is a BUOY,NAVIGATIONAL MARKER,LIGHTED.
What is the NSN for 121188?
121188 is cataloged in the U.S. Government catalog under NSN 5340-00-597-6007. 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.