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Technical Data Sheet
PartsTable / COMPONENT / 12268-2
12268-2 ✓ 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 RING,WEARING is a Hama industrial component. Key specifications include material: COPPER ALLOY, end_item_identification: BUFFALO PUMPS COMPANY AUXILIARY CIRCULATING PUMP,8X10 IN. SLV SECTIONAL,P/N CA10890-1000.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-440-1520, 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
12268-2
NSN: 5330-00-440-1520
FSC: 5330
CAGE: 31441 — AMERICAN SAFETY FLIGHT SYSTEMS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
end_item_identificationBUFFALO PUMPS COMPANY AUXILIARY CIRCULATING PUMP,8X10 IN. SLV SECTIONAL,P/N CA10890-1000
NSN5330-00-440-1520
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12268-2 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
•
MATERIAL: RUBBER SILICONE CLASS Q OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SPHERICAL
•
CROSS SECTION INSIDE DIAMETER: 1.030 INCHES NOMINAL IN
•
CROSS SECTION OUTSIDE DIAMETER: 1.167 INCHES NOMINAL IN
•
CROSS-SECTIONAL LENGTH: 0.870 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SILICONE CLASS Q OVERALL
CROSS-SECTIONAL SHAPE STYLESPHERICAL
CROSS SECTION INSIDE DIAMETER1.030 INCHES NOMINAL IN
CROSS SECTION OUTSIDE DIAMETER1.167 INCHES NOMINAL IN
CROSS-SECTIONAL LENGTH0.870 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
12268-2Interchangeable
interchangeable cross-reference
interchangeable
55-22211-18Interchangeable
interchangeable cross-reference
interchangeable
CA10890Interchangeable
interchangeable cross-reference
interchangeable
5330PL1668864Interchangeable
Same NIIN cross-reference
interchangeable
5330PL0549697Interchangeable
Same NIIN cross-reference
interchangeable
REDARC10715-2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12268-2?
12268-2 is a RING,WEARING manufactured by Hama.
What parts can replace 12268-2?
There are 6 known substitutes for 12268-2: 12268-2, 55-22211-18, CA10890 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12268-2?
12268-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-440-1520. 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