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12266026-4 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12266026-4: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 356.0, overall_width: 3.3800 INCHES NOMINAL IN, overall_height: 0.9220 INCHES MINIMUM AND 0.9420 INCHES MAXIMUM IN, overall_length: 4.0000 INCHES NOMINAL IN, surface_treatment: CHROMATE, material_document_and_classification: AMS-4260 ASSN STD SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-050-2089, 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
12266026-4
NSN: 5340-01-050-2089
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 356.0
overall_width3.3800 INCHES NOMINAL IN
overall_height0.9220 INCHES MINIMUM AND 0.9420 INCHES MAXIMUM IN
overall_length4.0000 INCHES NOMINAL IN
surface_treatmentCHROMATE
material_document_and_classificationAMS-4260 ASSN STD SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationMIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A
NSN5340-01-050-2089
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12266026-4 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS-4260 ASSN STD SINGLE MATERIAL RESPONSE
•
SURFACE TREATMENT: CHROMATE
•
MATERIAL: ALUMINUM ALLOY 356.0
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.9220 INCHES MINIMUM AND 0.9420 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A
MATERIAL DOCUMENT AND CLASSIFICATIONAMS-4260 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH4.0000 INCHES NOMINAL IN
OVERALL WIDTH3.3800 INCHES NOMINAL IN
SURFACE TREATMENTCHROMATE
MATERIALALUMINUM ALLOY 356.0
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12266026-4?
12266026-4 is a BRACKET,MOUNTING.
What is the NSN for 12266026-4?
12266026-4 is cataloged in the U.S. Government catalog under NSN 5340-01-050-2089. This indicates validated use in U.S. government and defense supply chains.
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