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20878H5L89 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

20878H5L89: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, maximum_pressure_rating: 2.000 POUNDS PER SQUARE INCH (PSI) LBS, nondefinitive_spec/std_data: 0.70 POUNDS WEIGHT LBS, material_document_and_classification: MIL-PRF-85734 MIL SPEC 1ST MATERIAL RESPONSE OVERALL, part_name_assigned_by_controlling_agency: SEAL,PLAIN ENCASED,PLANETARY CARRIER. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-617-0133, 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
20878H5L89
NSN: 5330-01-617-0133
FSC: 5330 — Packing and Gasket Materials
CAGE: 93835 — PARKER HANNIFIN CORPORATION DIV HYDRAULIC SYSTEMS DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
special_featuresDUST LIP;SHELL ELECTROLYTICALLY COMPATIBLE WITH ALUMINUM ALLOY 2040-T6;4500 HOURS LIFE;MATERIAL HMS6-1288 STEEL K71040;ROUGHNESS 10-20 RA;ROUGHNESS 60-64HRC
maximum_pressure_rating2.000 POUNDS PER SQUARE INCH (PSI) LBS
nondefinitive_spec/std_data0.70 POUNDS WEIGHT LBS
material_document_and_classificationMIL-PRF-85734 MIL SPEC 1ST MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencySEAL,PLAIN ENCASED,PLANETARY CARRIER
NSN5330-01-617-0133
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 20878H5L89 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
•
MAXIMUM PRESSURE RATING: 2.000 POUNDS PER SQUARE INCH (PSI) LBS
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-PRF-85734 MIL SPEC 1ST MATERIAL RESPONSE OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 0.70 POUNDS WEIGHT LBS
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
MAXIMUM PRESSURE RATING2.000 POUNDS PER SQUARE INCH (PSI) LBS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-PRF-85734 MIL SPEC 1ST MATERIAL RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATA0.70 POUNDS WEIGHT LBS
SPECIAL FEATURESDUST LIP;SHELL ELECTROLYTICALLY COMPATIBLE WITH ALUMINUM ALLOY 2040-T6;4500 HOURS LIFE;MATERIAL HMS6-1288 STEEL K71040;ROUGHNESS 10-20 RA;ROUGHNESS 60-64HRC
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAL,PLAIN ENCASED,PLANETARY CARRIER
MATERIALSTEEL 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 1
7-511315424-001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20878H5L89?
20878H5L89 is a SEAL,PLAIN ENCASED.
What parts can replace 20878H5L89?
There is 1 known substitute for 20878H5L89: 7-511315424-001. Substitute compatibility should be verified for your specific system.
What is the NSN for 20878H5L89?
20878H5L89 is cataloged in the U.S. Government catalog under NSN 5330-01-617-0133. This indicates validated use in U.S. government and defense supply chains.
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