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1220C1288 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1220C1288: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 5052, overall_width: 1.500 INCHES NOMINAL IN, overall_height: 2.060 INCHES NOMINAL IN, overall_length: 3.250 INCHES NOMINAL IN, special_features: HOLE 0.257 IN. DIA W/LEGEND:READOUT ZERO; HOLE 0.093 IN.

DIA W/LEGEND:S19 IN, surface_treatment: CHROMATE. This part is cataloged in the U.S. Government catalog under NSN 5340-01-428-6004, 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
1220C1288
NSN: 5340-01-428-6004
FSC: 5340 — Hardware, Commercial
CAGE: 03538 — LOCKHEED MARTIN CORPORATION DIV RMS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 5052
overall_width1.500 INCHES NOMINAL IN
overall_height2.060 INCHES NOMINAL IN
overall_length3.250 INCHES NOMINAL IN
special_featuresHOLE 0.257 IN. DIA W/LEGEND:READOUT ZERO; HOLE 0.093 IN. DIA W/LEGEND:S19 IN
surface_treatmentCHROMATE
mounting_hole_typePLAIN
mounting_hole_diameter0.228 INCHES NOMINAL IN
mounting_hole_quantity2
material_document_and_classificationQQ-A-250/8,H32 FED SPEC SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationMIL-C-5541,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE
NSN5340-01-428-6004
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1220C1288 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
•
MOUNTING HOLE QUANTITY: 2
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/8,H32 FED SPEC SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.228 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY2
OVERALL HEIGHT2.060 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8,H32 FED SPEC SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.228 INCHES NOMINAL IN
OVERALL LENGTH3.250 INCHES NOMINAL IN
OVERALL WIDTH1.500 INCHES NOMINAL IN
SPECIAL FEATURESHOLE 0.257 IN. DIA W/LEGEND:READOUT ZERO; HOLE 0.093 IN. DIA W/LEGEND:S19 IN
SURFACE TREATMENTCHROMATE
MATERIALALUMINUM ALLOY 5052
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 1220C1288?
1220C1288 is a BRACKET,MOUNTING.
What is the NSN for 1220C1288?
1220C1288 is cataloged in the U.S. Government catalog under NSN 5340-01-428-6004. This indicates validated use in U.S. government and defense supply chains.
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