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1220C0348 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1220C0348: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, hole_diameter: 0.281 INCHES NOMINAL IN, outside_diameter: 3.530 INCHES MINIMUM AND 3.590 INCHES MAXIMUM IN, special_features: MATERIAL: COPPER ALLOY 964 OR 715, bolt_circle_diameter: 3.062 INCHES NOMINAL IN, securing_device_type: SPECIAL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-359-2372, 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
1220C0348
NSN: 5340-01-359-2372
FSC: 5340 — Hardware, Commercial
CAGE: 03538 — LOCKHEED MARTIN CORPORATION DIV RMS (USA)
SPECIFICATIONS
materialCOPPER ALLOY
hole_diameter0.281 INCHES NOMINAL IN
outside_diameter3.530 INCHES MINIMUM AND 3.590 INCHES MAXIMUM IN
special_featuresMATERIAL: COPPER ALLOY 964 OR 715
bolt_circle_diameter3.062 INCHES NOMINAL IN
securing_device_typeSPECIAL
peripheral_shape_styleROUND, MULTI HOLES
bolt_circle_hole_quantity8
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationMIL-C-20159 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-C-15726 MIL SPEC 2ND MATERIAL RESPONSE
NSN5340-01-359-2372
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1220C0348 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 CIRCLE HOLE QUANTITY: 8
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-20159 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-C-15726 MIL SPEC 2ND MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 3.530 INCHES MINIMUM AND 3.590 INCHES MAXIMUM IN
•
SECURING DEVICE TYPE: SPECIAL
•
BOLT CIRCLE DIAMETER: 3.062 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND, MULTI HOLES
TECHNICAL CHARACTERISTICS
BOLT CIRCLE HOLE QUANTITY8
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-20159 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-C-15726 MIL SPEC 2ND MATERIAL RESPONSE
OUTSIDE DIAMETER3.530 INCHES MINIMUM AND 3.590 INCHES MAXIMUM IN
SECURING DEVICE TYPESPECIAL
BOLT CIRCLE DIAMETER3.062 INCHES NOMINAL IN
SPECIAL FEATURESMATERIAL: COPPER ALLOY 964 OR 715
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
MATERIALCOPPER ALLOY
HOLE DIAMETER0.281 INCHES NOMINAL IN
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 1220C0348?
1220C0348 is a COVER,ACCESS.
What is the NSN for 1220C0348?
1220C0348 is cataloged in the U.S. Government catalog under NSN 5340-01-359-2372. This indicates validated use in U.S. government and defense supply chains.
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