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PLE300421PC5 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

PLE300421PC5: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, seal_width: 0.312 INCHES NOMINAL IN, temp_rating: -40.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF, construction: SOLID, housing_bore_diameter: 2.625 INCHES NOMINAL IN, accommodated_shaft_diameter: 2.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-997-1902, 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
PLE300421PC5
NSN: 5330-00-997-1902
FSC: 5330 — Packing and Gasket Materials
CAGE: 16603 — CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIVISION DIV WESTECH HEAVY MACHINERY DIVISION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
seal_width0.312 INCHES NOMINAL IN
temp_rating-40.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF
constructionSOLID
housing_bore_diameter2.625 INCHES NOMINAL IN
accommodated_shaft_diameter2.000 INCHES NOMINAL IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-00-997-1902
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PLE300421PC5 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
•
TEMP RATING: -40.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF
•
SEAL WIDTH: 0.312 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 2.625 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
•
ACCOMMODATED SHAFT DIAMETER: 2.000 INCHES NOMINAL IN
•
MATERIAL: STEEL SPRING
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
TEMP RATING-40.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF
SEAL WIDTH0.312 INCHES NOMINAL IN
HOUSING BORE DIAMETER2.625 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
ACCOMMODATED SHAFT DIAMETER2.000 INCHES NOMINAL IN
MATERIALSTEEL SPRING
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
CONSTRUCTIONSOLID
SUBSTITUTES & CROSS-REFERENCES 6
11855LDSL5Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
E102525PC40Reference document
Same NSN cross-reference
Reference document — Secondary reference
11790LPDReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
E300434 FIND 15Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
11855 LDSReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LDS11855L5Same 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 PLE300421PC5?
PLE300421PC5 is a SEAL,PLAIN.
What parts can replace PLE300421PC5?
There are 6 known substitutes for PLE300421PC5: 11855LDSL5, E102525PC40, 11790LPD and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PLE300421PC5?
PLE300421PC5 is cataloged in the U.S. Government catalog under NSN 5330-00-997-1902. 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.