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11617780 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11617780: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY A356.0, hole_diameter: 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN, body_thickness: 0.620 INCHES NOMINAL IN, flange_thickness: 0.180 INCHES NOMINAL IN, outside_diameter: 6.370 INCHES MINIMUM AND 6.430 INCHES MAXIMUM IN, bolt_circle_diameter: 5.900 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-178-0986, 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
11617780
NSN: 5340-00-178-0986
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialALUMINUM ALLOY A356.0
hole_diameter0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
body_thickness0.620 INCHES NOMINAL IN
flange_thickness0.180 INCHES NOMINAL IN
outside_diameter6.370 INCHES MINIMUM AND 6.430 INCHES MAXIMUM IN
bolt_circle_diameter5.900 INCHES NOMINAL IN
securing_device_typeSPECIAL
peripheral_shape_styleROUND, MULTI HOLES
bolt_circle_hole_quantity8
cross-sectional_shape_styleFLAT, SQUARE OR RECTANGULAR RIB REINFORCED
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationMIL-A-21180 MIL SPEC ALL MATERIAL RESPONSES
NSN5340-00-178-0986
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11617780 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
•
FLANGE THICKNESS: 0.180 INCHES NOMINAL IN
•
BOLT CIRCLE HOLE QUANTITY: 8
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-A-21180 MIL SPEC ALL MATERIAL RESPONSES
•
CROSS-SECTIONAL SHAPE STYLE: FLAT, SQUARE OR RECTANGULAR RIB REINFORCED
•
OUTSIDE DIAMETER: 6.370 INCHES MINIMUM AND 6.430 INCHES MAXIMUM IN
•
SECURING DEVICE TYPE: SPECIAL
•
BOLT CIRCLE DIAMETER: 5.900 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.180 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY8
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-21180 MIL SPEC ALL MATERIAL RESPONSES
CROSS-SECTIONAL SHAPE STYLEFLAT, SQUARE OR RECTANGULAR RIB REINFORCED
OUTSIDE DIAMETER6.370 INCHES MINIMUM AND 6.430 INCHES MAXIMUM IN
SECURING DEVICE TYPESPECIAL
BOLT CIRCLE DIAMETER5.900 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
MATERIALALUMINUM ALLOY A356.0
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11617780?
11617780 is a COVER,ACCESS.
What is the NSN for 11617780?
11617780 is cataloged in the U.S. Government catalog under NSN 5340-00-178-0986. This indicates validated use in U.S. government and defense supply chains.
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