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5187341 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5187341: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include hole_diameter: 0.188 INCHES NOMINAL IN, body_thickness: 0.125 INCHES NOMINAL IN, outside_diameter: 4.500 INCHES NOMINAL IN, special_features: 3 HOLES,0.188 IN DIA,SPACED IN TRIANGLE PATTERN ON FACE IN, bolt_circle_diameter: 4.188 INCHES NOMINAL IN, securing_device_type: THREADED FASTENER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-171-1891, 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
5187341
NSN: 5340-01-171-1891
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
hole_diameter0.188 INCHES NOMINAL IN
body_thickness0.125 INCHES NOMINAL IN
outside_diameter4.500 INCHES NOMINAL IN
special_features3 HOLES,0.188 IN DIA,SPACED IN TRIANGLE PATTERN ON FACE IN
bolt_circle_diameter4.188 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleROUND, MULTI HOLES
bolt_circle_hole_quantity8
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleUNTHREADED HOLE
NSN5340-01-171-1891
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5187341 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
•
BOLT CIRCLE HOLE QUANTITY: 8
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
OUTSIDE DIAMETER: 4.500 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: THREADED FASTENER
•
BOLT CIRCLE DIAMETER: 4.188 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND, MULTI HOLES
TECHNICAL CHARACTERISTICS
BOLT CIRCLE HOLE QUANTITY8
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLEFLAT
OUTSIDE DIAMETER4.500 INCHES NOMINAL IN
SECURING DEVICE TYPETHREADED FASTENER
BOLT CIRCLE DIAMETER4.188 INCHES NOMINAL IN
SPECIAL FEATURES3 HOLES,0.188 IN DIA,SPACED IN TRIANGLE PATTERN ON FACE IN
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
HOLE DIAMETER0.188 INCHES NOMINAL IN
BODY THICKNESS0.125 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
2925027AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 5187341?
5187341 is a COVER,ACCESS.
What parts can replace 5187341?
There is 1 known substitute for 5187341: 2925027A. Substitute compatibility should be verified for your specific system.
What is the NSN for 5187341?
5187341 is cataloged in the U.S. Government catalog under NSN 5340-01-171-1891. This indicates validated use in U.S. government and defense supply chains.
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