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Technical Data Sheet
PartsTable / COMPONENT / 55447K
55447K ✓ 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: LEATHER SEALING ELEMENT, case_style: SQUARE, seal_width: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN, housing_bore_diameter: 6.630 INCHES MINIMUM AND 6.634 INCHES MAXIMUM IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 5.750 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 5330-00-840-3273, 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
55447K
NSN: 5330-00-840-3273
FSC: 5330
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialLEATHER SEALING ELEMENT
case_styleSQUARE
seal_width0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
housing_bore_diameter6.630 INCHES MINIMUM AND 6.634 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter5.750 INCHES NOMINAL IN
NSN5330-00-840-3273
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 55447K 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: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT DIAMETER: 5.750 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
•
CASE STYLE: SQUARE
•
HOUSING BORE DIAMETER: 6.630 INCHES MINIMUM AND 6.634 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
ACCOMMODATED SHAFT DIAMETER5.750 INCHES NOMINAL IN
MATERIALSTEEL CASE
MATERIALLEATHER SEALING ELEMENT
CASE STYLESQUARE
HOUSING BORE DIAMETER6.630 INCHES MINIMUM AND 6.634 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
13-575MInterchangeable
interchangeable cross-reference
interchangeable
ASTM E1Interchangeable
interchangeable cross-reference
interchangeable
27868-6Interchangeable
interchangeable cross-reference
interchangeable
55447Interchangeable
interchangeable cross-reference
interchangeable
MX8897ASA65VInterchangeable
interchangeable cross-reference
interchangeable
81601Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55447K?
55447K is a SEAL,PLAIN ENCASED.
What parts can replace 55447K?
There are 7 known substitutes for 55447K: 13-575M, ASTM E1, 27868-6 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55447K?
55447K is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-840-3273. 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