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19AS677 ✓ 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: STEEL CASE, case_style: RECESSED, seal_width: 0.358 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, housing_bore_diameter: 5.475 INCHES MINIMUM AND 5.479 INCHES MAXIMUM IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 4.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-080-9229, 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
19AS677
NSN: 5330-01-080-9229
FSC: 5330
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleRECESSED
seal_width0.358 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
housing_bore_diameter5.475 INCHES MINIMUM AND 5.479 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter4.000 INCHES NOMINAL IN
NSN5330-01-080-9229
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 19AS677 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: 0.358 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
•
MATERIAL: STEEL CASE
•
SEALING ELEMENT STYLE: ANGULAR
•
ACCOMMODATED SHAFT DIAMETER: 4.000 INCHES NOMINAL IN
•
CASE STYLE: RECESSED
•
HOUSING BORE DIAMETER: 5.475 INCHES MINIMUM AND 5.479 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.358 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT DIAMETER4.000 INCHES NOMINAL IN
CASE STYLERECESSED
HOUSING BORE DIAMETER5.475 INCHES MINIMUM AND 5.479 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
CC59179-001Interchangeable
interchangeable cross-reference
interchangeable
1270-28625Interchangeable
interchangeable cross-reference
interchangeable
31577Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 19AS677?
19AS677 is a SEAL,PLAIN ENCASED.
What parts can replace 19AS677?
There are 3 known substitutes for 19AS677: CC59179-001, 1270-28625, 31577. Substitute compatibility should be verified for your specific system.
What is the NSN for 19AS677?
19AS677 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-080-9229. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026