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Technical Data Sheet
PartsTable / COMPONENT / 449-3897
449-3897 ✓ 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

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include material: RUBBER OVERALL, construction: ONE-PIECE, style_designator: STRIP, cross-sectional_height: 26.8 MILLIMETERS NOMINAL MM, end_item_identification: 3805-01-533-1853, cross-sectional_shape_style: SPECIAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-630-0163, 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
449-3897
NSN: 5330-01-630-0163
FSC: 5330
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialRUBBER OVERALL
constructionONE-PIECE
style_designatorSTRIP
cross-sectional_height26.8 MILLIMETERS NOMINAL MM
end_item_identification3805-01-533-1853
cross-sectional_shape_styleSPECIAL
part_name_assigned_by_controlling_agencySEAL
NSN5330-01-630-0163
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 449-3897 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
•
CONSTRUCTION: ONE-PIECE
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
CROSS-SECTIONAL HEIGHT: 26.8 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: STRIP
•
MATERIAL: RUBBER OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CONSTRUCTIONONE-PIECE
END ITEM IDENTIFICATION3805-01-533-1853
CROSS-SECTIONAL SHAPE STYLESPECIAL
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAL
CROSS-SECTIONAL HEIGHT26.8 MILLIMETERS NOMINAL MM
STYLE DESIGNATORSTRIP
MATERIALRUBBER OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
44-864Interchangeable
interchangeable cross-reference
interchangeable
BS-F61C500V10AInterchangeable
interchangeable cross-reference
interchangeable
301P505H01Interchangeable
interchangeable cross-reference
interchangeable
GSCL10Interchangeable
interchangeable cross-reference
interchangeable
24669Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 449-3897?
449-3897 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What parts can replace 449-3897?
There are 5 known substitutes for 449-3897: 44-864, BS-F61C500V10A, 301P505H01 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 449-3897?
449-3897 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-630-0163. 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