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211057895 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

211057895: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON AND PLASTIC POLYIMIDE OVERALL, peripheral_diameter: 3.741 INCHES MINIMUM AND 3.747 INCHES MAXIMUM IN, center_hole_diameter: 3.000 INCHES NOMINAL IN, cross-sectional_height: 0.490 INCHES NOMINAL IN, material_document_and_classification: TORLON 4203L OR EQUAL MFR REF SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-445-6843, 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
211057895
NSN: 5330-01-445-6843
FSC: 5330 — Packing and Gasket Materials
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON AND PLASTIC POLYIMIDE OVERALL
peripheral_diameter3.741 INCHES MINIMUM AND 3.747 INCHES MAXIMUM IN
center_hole_diameter3.000 INCHES NOMINAL IN
cross-sectional_height0.490 INCHES NOMINAL IN
material_document_and_classificationTORLON 4203L OR EQUAL MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-445-6843
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 211057895 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: 0.490 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: TORLON 4203L OR EQUAL MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
PERIPHERAL DIAMETER: 3.741 INCHES MINIMUM AND 3.747 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 3.000 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON AND PLASTIC POLYIMIDE OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.490 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONTORLON 4203L OR EQUAL MFR REF SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL DIAMETER3.741 INCHES MINIMUM AND 3.747 INCHES MAXIMUM IN
CENTER HOLE DIAMETER3.000 INCHES NOMINAL IN
MATERIALPLASTIC POLYAMIDE NYLON AND PLASTIC POLYIMIDE OVERALL
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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 211057895?
211057895 is a PACKING,PREFORMED.
What is the NSN for 211057895?
211057895 is cataloged in the U.S. Government catalog under NSN 5330-01-445-6843. This indicates validated use in U.S. government and defense supply chains.
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