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2783618-101 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2783618-101: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061, hole_diameter: 0.143 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN, body_thickness: 0.125 INCHES NOMINAL IN, outside_diameter: 1.290 INCHES NOMINAL IN, special_features: 0.030 IN. CHAMFERED ONE END BODY THK IN, surface_treatment: ANODIZE.

This part is cataloged in the U.S. Government catalog under NSN 5340-01-133-1200, 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
2783618-101
NSN: 5340-01-133-1200
FSC: 5340 — Hardware, Commercial
CAGE: 3H889 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
hole_diameter0.143 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN
body_thickness0.125 INCHES NOMINAL IN
outside_diameter1.290 INCHES NOMINAL IN
special_features0.030 IN. CHAMFERED ONE END BODY THK IN
surface_treatmentANODIZE
bolt_circle_diameter1.040 INCHES NOMINAL IN
peripheral_shape_styleROUND, MULTI HOLES
bolt_circle_hole_quantity4
cross-sectional_shape_styleFLAT W/OPEN CENTER
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationQQ-A-250/11,TEMPER T651 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-133-1200
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2783618-101 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-A-8625,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
•
BOLT CIRCLE HOLE QUANTITY: 4
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11,TEMPER T651 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT W/OPEN CENTER
•
OUTSIDE DIAMETER: 1.290 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 1.040 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
BOLT CIRCLE HOLE QUANTITY4
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11,TEMPER T651 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT W/OPEN CENTER
OUTSIDE DIAMETER1.290 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER1.040 INCHES NOMINAL IN
SPECIAL FEATURES0.030 IN. CHAMFERED ONE END BODY THK IN
SURFACE TREATMENTANODIZE
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
SUBSTITUTES & CROSS-REFERENCES 1
10160025Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2783618-101?
2783618-101 is a COVER,ACCESS.
What parts can replace 2783618-101?
There is 1 known substitute for 2783618-101: 10160025. Substitute compatibility should be verified for your specific system.
What is the NSN for 2783618-101?
2783618-101 is cataloged in the U.S. Government catalog under NSN 5340-01-133-1200. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.