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3F.121769 POS 21 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3F.121769 POS 21: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, special_features: FOOD WASTE SILO INTERNAL AGITATOR (3TDF2) 3F121769, center_hole_diameter: 5.0 MILLIMETERS NOMINAL MM, cross-sectional_height: 120.0 MILLIMETERS NOMINAL MM, part_name_assigned_by_controlling_agency: O-RING, BOTTOM CONE TOP. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-528-2124, 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
3F.121769 POS 21
NSN: 5331-01-528-2124
FSC: 5331 — O-ring
CAGE: 3TDF2 — NORSK INOVA LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
special_featuresFOOD WASTE SILO INTERNAL AGITATOR (3TDF2) 3F121769
center_hole_diameter5.0 MILLIMETERS NOMINAL MM
cross-sectional_height120.0 MILLIMETERS NOMINAL MM
part_name_assigned_by_controlling_agencyO-RING, BOTTOM CONE TOP
NSN5331-01-528-2124
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3F.121769 POS 21 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: 120.0 MILLIMETERS NOMINAL MM
•
CENTER HOLE DIAMETER: 5.0 MILLIMETERS NOMINAL MM
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT120.0 MILLIMETERS NOMINAL MM
SPECIAL FEATURESFOOD WASTE SILO INTERNAL AGITATOR (3TDF2) 3F121769
CENTER HOLE DIAMETER5.0 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING, BOTTOM CONE TOP
MATERIALRUBBER SYNTHETIC
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

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 3F.121769 POS 21?
3F.121769 POS 21 is a O-RING.
What is the NSN for 3F.121769 POS 21?
3F.121769 POS 21 is cataloged in the U.S. Government catalog under NSN 5331-01-528-2124. This indicates validated use in U.S. government and defense supply chains.
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