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025881-1 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

025881-1: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 3.400 INCHES NOMINAL IN, length: 4.360 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 2024, hole_diameter: 0.140 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN, body_thickness: 0.062 INCHES NOMINAL IN, corner_bevel_length: 0.120 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-385-0771, 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
025881-1
NSN: 5340-01-385-0771
FSC: 5340 — Hardware, Commercial
CAGE: 62228 — MEGGITT DEFENSE SYSTEMS, INC. DBA MEGGITT DEFENSE SYSTEMS INC (USA)
SPECIFICATIONS
width3.400 INCHES NOMINAL IN
length4.360 INCHES NOMINAL IN
materialALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 2024
hole_diameter0.140 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
body_thickness0.062 INCHES NOMINAL IN
corner_bevel_length0.120 INCHES NOMINAL IN
securing_device_typeSPECIAL
hole_quantity_along_width4
hole_quantity_along_length3
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationQQ-A-250/11 T6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/4 T3 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-225/6 T351 FED SPEC 2ND MATERIAL RESPONSE
NSN5340-01-385-0771
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 025881-1 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
•
LENGTH: 4.360 INCHES NOMINAL IN
•
HOLE QUANTITY ALONG LENGTH: 3
•
CORNER BEVEL LENGTH: 0.120 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11 T6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/4 T3 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-225/6 T351 FED SPEC 2ND MATERIAL RESPONSE
•
SECURING DEVICE TYPE: SPECIAL
•
HOLE QUANTITY ALONG WIDTH: 4
•
WIDTH: 3.400 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH4.360 INCHES NOMINAL IN
HOLE QUANTITY ALONG LENGTH3
CORNER BEVEL LENGTH0.120 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11 T6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/4 T3 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-225/6 T351 FED SPEC 2ND MATERIAL RESPONSE
SECURING DEVICE TYPESPECIAL
HOLE QUANTITY ALONG WIDTH4
WIDTH3.400 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 2024
HOLE DIAMETER0.140 INCHES MINIMUM AND 0.144 INCHES MAXIMUM 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 025881-1?
025881-1 is a COVER,ACCESS.
What is the NSN for 025881-1?
025881-1 is cataloged in the U.S. Government catalog under NSN 5340-01-385-0771. This indicates validated use in U.S. government and defense supply chains.
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