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A25A506-131-101 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A25A506-131-101: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 6.000 INCHES NOMINAL IN, length: 4.000 INCHES NOMINAL IN, inside_width: 3.500 INCHES NOMINAL IN, inside_length: 1.250 INCHES NOMINAL IN, body_thickness: 0.500 INCHES NOMINAL IN, flange_thickness: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-593-6639, 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
A25A506-131-101
NSN: 5340-00-593-6639
FSC: 5340 — Hardware, Commercial
CAGE: 99696 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN SYSTEMS & GLOBAL SOLUTIONS (USA)
SPECIFICATIONS
width6.000 INCHES NOMINAL IN
length4.000 INCHES NOMINAL IN
inside_width3.500 INCHES NOMINAL IN
inside_length1.250 INCHES NOMINAL IN
body_thickness0.500 INCHES NOMINAL IN
flange_thickness0.250 INCHES NOMINAL IN
inside_corner_radius0.120 INCHES NOMINAL IN
peripheral_shape_styleRECTANGLE, FOUR HOLES
first_recess_inside_height0.750 INCHES NOMINAL IN
cross-sectional_shape_styleSQUARE OR RECTANGULAR RECESS
distance_between_holes_along_width4.985 INCHES MINIMUM AND 5.015 INCHES MAXIMUM IN
distance_between_holes_along_length3.312 INCHES NOMINAL IN
NSN5340-00-593-6639
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A25A506-131-101 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
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH: 0.445 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN
•
INSIDE WIDTH: 3.500 INCHES NOMINAL IN
•
LENGTH: 4.000 INCHES NOMINAL IN
•
INSIDE LENGTH: 1.250 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 3.312 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.250 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.120 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.445 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN
INSIDE WIDTH3.500 INCHES NOMINAL IN
LENGTH4.000 INCHES NOMINAL IN
INSIDE LENGTH1.250 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH3.312 INCHES NOMINAL IN
FLANGE THICKNESS0.250 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.120 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT0.750 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH4.985 INCHES MINIMUM AND 5.015 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESQUARE OR RECTANGULAR RECESS
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 A25A506-131-101?
A25A506-131-101 is a COVER,ACCESS.
What is the NSN for A25A506-131-101?
A25A506-131-101 is cataloged in the U.S. Government catalog under NSN 5340-00-593-6639. This indicates validated use in U.S. government and defense supply chains.
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