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12449388 ✓ 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: SQUARE, seal_width: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN, outside_diameter: 3.376 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 3.371 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 5330-01-412-4447, 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
12449388
NSN: 5330-01-412-4447
FSC: 5330
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
outside_diameter3.376 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter3.371 INCHES NOMINAL IN
sealing_element_styleANGULAR-OPPOSED
accommodated_shaft_diameter2.250 INCHES NOMINAL IN
NSN5330-01-412-4447
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12449388 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
•
CASE STYLE: SQUARE
•
OUTSIDE DIAMETER: 3.376 INCHES NOMINAL IN
•
SEAL WIDTH: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
•
HOUSING BORE DIAMETER: 3.371 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 2.250 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR-OPPOSED
•
SURFACE TREATMENT: PLASTIC CASE
•
MATERIAL: STEEL CASE
TECHNICAL CHARACTERISTICS (FLIS)
CASE STYLESQUARE
OUTSIDE DIAMETER3.376 INCHES NOMINAL IN
SEAL WIDTH0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
HOUSING BORE DIAMETER3.371 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER2.250 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR-OPPOSED
SURFACE TREATMENTPLASTIC CASE
MATERIALSTEEL CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
28-032Interchangeable
interchangeable cross-reference
interchangeable
1432Interchangeable
interchangeable cross-reference
interchangeable
22532Interchangeable
interchangeable cross-reference
interchangeable
2651-32Interchangeable
interchangeable cross-reference
interchangeable
AE369-32Interchangeable
interchangeable cross-reference
interchangeable
221-32Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12449388?
12449388 is a SEAL,PLAIN ENCASED.
What parts can replace 12449388?
There are 12 known substitutes for 12449388: 28-032, 1432, 22532 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12449388?
12449388 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-412-4447. 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