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Technical Data Sheet
NK1266 ✓ 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 RETAINER,PACKING is a the manufacturer industrial component. Key specifications include angle: 29.0 DEGREES MINIMUM AND 31.0 DEGREES MAXIMUM, material: ALUMINUM ALLOY 2017 OR ALUMINUM ALLOY 2024 OVERALL, surface_treatment: CADMIUM OVERALL, peripheral_diameter: 1.046 INCHES MINIMUM AND 1.052 INCHES MAXIMUM IN, center_hole_diameter: 0.756 INCHES MINIMUM AND 0.776 INCHES MAXIMUM IN, cross-sectional_height: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM 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 5330-00-514-4459, 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
NK1266
NSN: 5330-00-514-4459
FSC: 5330
CAGE: 93591 — PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP (USA)
SPECIFICATIONS
angle29.0 DEGREES MINIMUM AND 31.0 DEGREES MAXIMUM
materialALUMINUM ALLOY 2017 OR ALUMINUM ALLOY 2024 OVERALL
surface_treatmentCADMIUM OVERALL
peripheral_diameter1.046 INCHES MINIMUM AND 1.052 INCHES MAXIMUM IN
center_hole_diameter0.756 INCHES MINIMUM AND 0.776 INCHES MAXIMUM IN
cross-sectional_height0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
cross-sectional_shape_styleCUP
material_document_and_classificationQQ-A-225/5 ALLOY 2017 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6 ALLOY 2024 FED SPEC 2ND MATERIAL RESPONSE OVERALL
NSN5330-00-514-4459
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NK1266 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
CENTER HOLE DIAMETER: 0.756 INCHES MINIMUM AND 0.776 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/5 ALLOY 2017 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6 ALLOY 2024 FED SPEC 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT: CADMIUM OVERALL
PERIPHERAL DIAMETER: 1.046 INCHES MINIMUM AND 1.052 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE: CUP
ANGLE: 29.0 DEGREES MINIMUM AND 31.0 DEGREES MAXIMUM
CROSS-SECTIONAL HEIGHT: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
MATERIAL: ALUMINUM ALLOY 2017 OR ALUMINUM ALLOY 2024 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.756 INCHES MINIMUM AND 0.776 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/5 ALLOY 2017 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6 ALLOY 2024 FED SPEC 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
PERIPHERAL DIAMETER1.046 INCHES MINIMUM AND 1.052 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLECUP
ANGLE29.0 DEGREES MINIMUM AND 31.0 DEGREES MAXIMUM
CROSS-SECTIONAL HEIGHT0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
MATERIALALUMINUM ALLOY 2017 OR ALUMINUM ALLOY 2024 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
6372-11Interchangeable
interchangeable cross-reference
interchangeable
6372Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-2692Interchangeable
interchangeable cross-reference
interchangeable
16-632Interchangeable
interchangeable cross-reference
interchangeable
8-674Interchangeable
interchangeable cross-reference
interchangeable
H-241-13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NK1266?
NK1266 is a RETAINER,PACKING.
What parts can replace NK1266?
There are 14 known substitutes for NK1266: 6372-11, 6372, MIL-F-2692 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NK1266?
NK1266 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-514-4459. This indicates validated use in U.S. government and defense supply chains.
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