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Technical Data Sheet
PartsTable / COMPONENT / 1-77449
1-77449 ✓ Verified by PartsTable
Hama · 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 GEAR,RING,INTERNAL, is a Hama industrial component. Key specifications include material: UNABLE TO DECODE, ring_style: CONCENTRIC, joint_style: VERTICAL JOINT, inside_diameter: 0.750 INCHES NOMINAL IN, outside_diameter: 0.969 INCHES NOMINAL IN, material_thickness: 0.219 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 5330-00-064-6993, 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
1-77449
NSN: 5330-00-064-6993
FSC: 5330
CAGE: 16662 — LIFT PARTS MFG CO INC DIV OF ECHLIN MFG CO THE (USA)
SPECIFICATIONS
materialUNABLE TO DECODE
ring_styleCONCENTRIC
joint_styleVERTICAL JOINT
inside_diameter0.750 INCHES NOMINAL IN
outside_diameter0.969 INCHES NOMINAL IN
material_thickness0.219 INCHES NOMINAL IN
outer_edge_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
NSN5330-00-064-6993
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1-77449 MFR: Hama ⚠ 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
•
OUTER EDGE THICKNESS: 0.125 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
•
MATERIAL THICKNESS: 0.219 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.969 INCHES NOMINAL IN
•
RING STYLE: CONCENTRIC
•
MATERIAL: UNABLE TO DECODE
•
JOINT STYLE: VERTICAL JOINT
TECHNICAL CHARACTERISTICS (FLIS)
OUTER EDGE THICKNESS0.125 INCHES NOMINAL IN
INSIDE DIAMETER0.750 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
MATERIAL THICKNESS0.219 INCHES NOMINAL IN
OUTSIDE DIAMETER0.969 INCHES NOMINAL IN
RING STYLECONCENTRIC
MATERIALUNABLE TO DECODE
JOINT STYLEVERTICAL JOINT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
010.302.0073Interchangeable
interchangeable cross-reference
interchangeable
0103050073Interchangeable
interchangeable cross-reference
interchangeable
41-3-7Interchangeable
interchangeable cross-reference
interchangeable
5813-1Interchangeable
interchangeable cross-reference
interchangeable
4733Interchangeable
interchangeable cross-reference
interchangeable
5811-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-77449?
1-77449 is a GEAR,RING,INTERNAL, manufactured by Hama.
What parts can replace 1-77449?
There are 17 known substitutes for 1-77449: 010.302.0073, 0103050073, 41-3-7 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-77449?
1-77449 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-064-6993. 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