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Technical Data Sheet
PartsTable / COMPONENT / 12266300
12266300 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, overall_height: 0.062 INCHES NOMINAL IN, overall_length: 4.720 INCHES NOMINAL IN, special_features: TAPERED GASKET HAS RIGHT END WIDTH OF 1.69 INCHES AND TAPERS TO 1.0 INCH ON THE LEFT SIDE IN, aperture_diameter: 0.850 INCHES NOMINAL IN, bolt_hole_diameter: 0.28 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 5330-01-068-0369, 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
12266300
NSN: 5330-01-068-0369
FSC: 5330
CAGE: 20418 — DRS SUSTAINMENT SYSTEMS, INC. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
overall_height0.062 INCHES NOMINAL IN
overall_length4.720 INCHES NOMINAL IN
special_featuresTAPERED GASKET HAS RIGHT END WIDTH OF 1.69 INCHES AND TAPERS TO 1.0 INCH ON THE LEFT SIDE IN
aperture_diameter0.850 INCHES NOMINAL IN
bolt_hole_diameter0.28 INCHES NOMINAL IN
bolt_hole_quantity3
smallest_end_width1.00 INCHES NOMINAL IN
material_document_and_classificationZZ-R-765 CLASS 2B GRADE JO SILICONE RUBBER FED SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyGASKET, HOUSING, PROXIMITY SWITCH, GUNNERS HATCH
center_to_center_distance_between_bolt_holes_along_width0.937 INCHES NOMINAL ALL HOLES IN
center_to_center_distance_between_bolt_holes_along_length3.187 INCHES NOMINAL ALL HOLES IN
NSN5330-01-068-0369
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12266300 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
•
BOLT HOLE DIAMETER: 0.28 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
BOLT HOLE QUANTITY: 3
•
MATERIAL DOCUMENT AND CLASSIFICATION: ZZ-R-765 CLASS 2B GRADE JO SILICONE RUBBER FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 3.187 INCHES NOMINAL ALL HOLES IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 0.937 INCHES NOMINAL ALL HOLES IN
TECHNICAL CHARACTERISTICS (FLIS)
BOLT HOLE DIAMETER0.28 INCHES NOMINAL IN
SPECIAL FEATURESTAPERED GASKET HAS RIGHT END WIDTH OF 1.69 INCHES AND TAPERS TO 1.0 INCH ON THE LEFT SIDE IN
MATERIALRUBBER SYNTHETIC OVERALL
BOLT HOLE QUANTITY3
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765 CLASS 2B GRADE JO SILICONE RUBBER FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH3.187 INCHES NOMINAL ALL HOLES IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH0.937 INCHES NOMINAL ALL HOLES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYGASKET, HOUSING, PROXIMITY SWITCH, GUNNERS HATCH
OVERALL LENGTH4.720 INCHES NOMINAL IN
SMALLEST END WIDTH1.00 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
21205Interchangeable
interchangeable cross-reference
interchangeable
6768725Interchangeable
interchangeable cross-reference
interchangeable
23018524Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12266300?
12266300 is a GASKET.
What parts can replace 12266300?
There are 3 known substitutes for 12266300: 21205, 6768725, 23018524. Substitute compatibility should be verified for your specific system.
What is the NSN for 12266300?
12266300 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-068-0369. 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