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206861 — COVER,CARRIER ASSEMBLY PLANETARY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

206861: COVER,CARRIER ASSEMBLY PLANETARY.

COVER,CARRIER ASSEMBLY PLANETARY. Key specifications include special_features: WEAPON SYSTEM ESSENTIAL, end_item_identification: CRANE, WHEEL MTD, HYD LIGHT, 7 1/2 TON, criticality_code_justification: FEAT, general_characteristics_item_description: MATERIAL CAST STEEL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-901-8258, 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
206861
NSN: 5330-00-901-8258
NIINs: 009018258, 012633137
FSC: 5330 — Packing and Gasket Materials
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
special_featuresWEAPON SYSTEM ESSENTIAL
end_item_identificationCRANE, WHEEL MTD, HYD LIGHT, 7 1/2 TON
criticality_code_justificationFEAT
general_characteristics_item_descriptionMATERIAL CAST STEEL
NSN5330-00-901-8258
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 206861 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: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-25897,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: O-RING
•
CENTER HOLE DIAMETER: 1.351 INCHES MINIMUM AND 1.377 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-25897,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEO-RING
CENTER HOLE DIAMETER1.351 INCHES MINIMUM AND 1.377 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
17-541-017-00Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 206861?
206861 is a COVER,CARRIER ASSEMBLY PLANETARY.
What parts can replace 206861?
There is 1 known substitute for 206861: 17-541-017-00. Substitute compatibility should be verified for your specific system.
What is the NSN for 206861?
206861 is cataloged in the U.S. Government catalog under NSN 5330-00-901-8258. 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.