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6881AS — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6881AS: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN, outside_diameter: 4.506 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 4.501 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-291-9153, 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
6881AS
NSN: 5330-00-291-9153
FSC: 5330 — Packing and Gasket Materials
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
materialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
outside_diameter4.506 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter4.501 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter3.797 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-291-9153
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6881AS 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
•
SEAL WIDTH: 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR
•
OUTSIDE DIAMETER: 4.506 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 4.501 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 3.797 INCHES NOMINAL IN
•
SURFACE TREATMENT: PLASTIC CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
OUTSIDE DIAMETER4.506 INCHES NOMINAL IN
HOUSING BORE DIAMETER4.501 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER3.797 INCHES NOMINAL IN
SURFACE TREATMENTPLASTIC CASE
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 1
13442AReference 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 6881AS?
6881AS is a SEAL,PLAIN ENCASED.
What parts can replace 6881AS?
There is 1 known substitute for 6881AS: 13442A. Substitute compatibility should be verified for your specific system.
What is the NSN for 6881AS?
6881AS is cataloged in the U.S. Government catalog under NSN 5330-00-291-9153. This indicates validated use in U.S. government and defense supply chains.
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