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2161-5203 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2161-5203: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 7.375 INCHES NOMINAL IN, length: 11.469 INCHES NOMINAL IN, material: ALUMINUM ALLOY 5052, inside_width: 5.438 INCHES NOMINAL IN, hole_diameter: 0.218 INCHES NOMINAL IN, inside_length: 10.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-172-4718, 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
2161-5203
NSN: 5340-01-172-4718
FSC: 5340 — Hardware, Commercial
CAGE: 79343 — ASRC FEDERAL FACILITIES LOGISTICS, LLC (USA)
SPECIFICATIONS
width7.375 INCHES NOMINAL IN
length11.469 INCHES NOMINAL IN
materialALUMINUM ALLOY 5052
inside_width5.438 INCHES NOMINAL IN
hole_diameter0.218 INCHES NOMINAL IN
inside_length10.500 INCHES NOMINAL IN
body_thickness0.090 INCHES NOMINAL IN
flange_thickness0.090 INCHES NOMINAL IN
special_featuresALL HOLES DESCRIBED ABOVE ON FLANGE,FLANGE ON 3 SIDES ONLY; 6 HOLE ON TOP 0.218 IN. DIA,1 HOLE 1.562 IN. DIA; 2 HOLES ON SIDE W/O FLANGE 0.187 IN. DIA CSK 82 DEG X 0.325 IN. DIA IN
corner_bevel_length1.750 INCHES NOMINAL IN
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, MULTI HOLES
NSN5340-01-172-4718
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2161-5203 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: 1.875 INCHES NOMINAL IN
•
INSIDE WIDTH: 5.438 INCHES NOMINAL IN
•
LENGTH: 11.469 INCHES NOMINAL IN
•
INSIDE LENGTH: 10.500 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 2.500 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.090 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 1.285 INCHES NOMINAL IN
•
HOLE QUANTITY ALONG LENGTH: 8
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH1.875 INCHES NOMINAL IN
INSIDE WIDTH5.438 INCHES NOMINAL IN
LENGTH11.469 INCHES NOMINAL IN
INSIDE LENGTH10.500 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH2.500 INCHES NOMINAL IN
FLANGE THICKNESS0.090 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT1.285 INCHES NOMINAL IN
HOLE QUANTITY ALONG LENGTH8
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG LENGTH1.812 INCHES NOMINAL IN
CORNER BEVEL LENGTH1.750 INCHES NOMINAL 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 2161-5203?
2161-5203 is a COVER,ACCESS.
What is the NSN for 2161-5203?
2161-5203 is cataloged in the U.S. Government catalog under NSN 5340-01-172-4718. This indicates validated use in U.S. government and defense supply chains.
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