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571861 — BOOT,DUST AND MOISTURE SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

571861: BOOT,DUST AND MOISTURE SEAL.

The BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE BODY, body_height: 2.125 INCHES NOMINAL IN, overall_height: 2.750 INCHES NOMINAL IN, material_thickness: 0.062 INCHES NOMINAL IN, base_outside_diameter: 2.062 INCHES NOMINAL IN, body_outside_diameter: 2.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-495-8668, 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
571861
NSN: 5340-00-495-8668
FSC: 5340 — Hardware, Commercial
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
materialRUBBER SILICONE BODY
body_height2.125 INCHES NOMINAL IN
overall_height2.750 INCHES NOMINAL IN
material_thickness0.062 INCHES NOMINAL IN
base_outside_diameter2.062 INCHES NOMINAL IN
body_outside_diameter2.125 INCHES NOMINAL IN
opening_inside_diameter0.688 INCHES NOMINAL IN
NSN5340-00-495-8668
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 571861 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
•
OPENING INSIDE DIAMETER: 0.688 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 2.125 INCHES NOMINAL IN
•
BODY HEIGHT: 2.125 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.062 INCHES NOMINAL IN
•
BASE OUTSIDE DIAMETER: 2.062 INCHES NOMINAL IN
•
MATERIAL: RUBBER SILICONE BODY
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.750 INCHES NOMINAL IN
OPENING INSIDE DIAMETER0.688 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.125 INCHES NOMINAL IN
BODY HEIGHT2.125 INCHES NOMINAL IN
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
BASE OUTSIDE DIAMETER2.062 INCHES NOMINAL IN
MATERIALRUBBER SILICONE BODY
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 2
FC5446Reference document
Same NSN cross-reference
Reference document — Secondary reference
F5446Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 571861?
571861 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace 571861?
There are 2 known substitutes for 571861: FC5446, F5446. Substitute compatibility should be verified for your specific system.
What is the NSN for 571861?
571861 is cataloged in the U.S. Government catalog under NSN 5340-00-495-8668. This indicates validated use in U.S. government and defense supply chains.
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