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PartsTable / COMPONENT / A18000
A18000 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: PLASTIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN, temp_rating: 300.0 FAHRENHEIT DEGF, outside_diameter: 5.004 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-821-0817, 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
A18000
NSN: 5330-00-821-0817
FSC: 5330
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialPLASTIC SEALING ELEMENT
case_styleSQUARE
seal_width0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
temp_rating300.0 FAHRENHEIT DEGF
outside_diameter5.004 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter4.999 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter4.000 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3600 FEET PER MINUTE FT
NSN5330-00-821-0817
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A18000 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
•
ACCOMMODATED SHAFT DIAMETER: 4.000 INCHES NOMINAL IN
•
TEMP RATING: 300.0 FAHRENHEIT DEGF
•
OUTSIDE DIAMETER: 5.004 INCHES NOMINAL IN
•
SEAL WIDTH: 0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
•
HOUSING BORE DIAMETER: 4.999 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
SURFACE TREATMENT: PLASTIC CASE
•
SEALING ELEMENT STYLE: ANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER4.000 INCHES NOMINAL IN
TEMP RATING300.0 FAHRENHEIT DEGF
OUTSIDE DIAMETER5.004 INCHES NOMINAL IN
SEAL WIDTH0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
HOUSING BORE DIAMETER4.999 INCHES NOMINAL IN
CASE STYLESQUARE
SURFACE TREATMENTPLASTIC CASE
SEALING ELEMENT STYLEANGULAR
MATERIALPLASTIC SEALING ELEMENT
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3600 FEET PER MINUTE FT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
0314 5262Interchangeable
interchangeable cross-reference
interchangeable
1786074Interchangeable
interchangeable cross-reference
interchangeable
LOCTITE MOLY DRY FILM LUBRICANTInterchangeable
interchangeable cross-reference
interchangeable
21494Interchangeable
interchangeable cross-reference
interchangeable
21494-3Interchangeable
interchangeable cross-reference
interchangeable
54B700778P1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A18000?
A18000 is a SEAL,PLAIN ENCASED.
What parts can replace A18000?
There are 19 known substitutes for A18000: 0314 5262, 1786074, LOCTITE MOLY DRY FILM LUBRICANT and 16 more. Substitute compatibility should be verified for your specific system.
Is A18000 still available?
A18000 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026