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7-311D10027 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7-311D10027: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 2.000 INCHES NOMINAL IN, length: 4.200 INCHES NOMINAL IN, material: ALUMINUM ALLOY 2024, inside_width: 1.640 INCHES NOMINAL IN, inside_length: 2.690 INCHES NOMINAL IN, body_thickness: 0.063 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-320-7583, 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
7-311D10027
NSN: 5340-01-320-7583
FSC: 5340 — Hardware, Commercial
CAGE: 81996 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
width2.000 INCHES NOMINAL IN
length4.200 INCHES NOMINAL IN
materialALUMINUM ALLOY 2024
inside_width1.640 INCHES NOMINAL IN
inside_length2.690 INCHES NOMINAL IN
body_thickness0.063 INCHES NOMINAL IN
flange_thickness0.755 INCHES NOMINAL IN
inside_corner_radius0.019 INCHES NOMINAL IN
securing_device_typeSPECIAL
peripheral_shape_styleBAND TYPE
end_item_identificationAH64A
first_recess_inside_height1.640 INCHES NOMINAL IN
NSN5340-01-320-7583
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7-311D10027 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
•
INSIDE WIDTH: 1.640 INCHES NOMINAL IN
•
LENGTH: 4.200 INCHES NOMINAL IN
•
INSIDE LENGTH: 2.690 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.755 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.019 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 1.640 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/4 FED SPEC ALL MATERIAL RESPONSES
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE OR RECTANGULAR RECESS
TECHNICAL CHARACTERISTICS
INSIDE WIDTH1.640 INCHES NOMINAL IN
LENGTH4.200 INCHES NOMINAL IN
INSIDE LENGTH2.690 INCHES NOMINAL IN
FLANGE THICKNESS0.755 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.019 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT1.640 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4 FED SPEC ALL MATERIAL RESPONSES
CROSS-SECTIONAL SHAPE STYLESQUARE OR RECTANGULAR RECESS
SECURING DEVICE TYPESPECIAL
SPECIFICATION/STANDARD DATA02731-7-311D10027 MANUFACTURERS SPECIFICATION
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)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 7-311D10027?
7-311D10027 is a COVER,ACCESS.
What is the NSN for 7-311D10027?
7-311D10027 is cataloged in the U.S. Government catalog under NSN 5340-01-320-7583. This indicates validated use in U.S. government and defense supply chains.
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