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8438587 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8438587: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OR STEEL COMP 1020, hole_diameter: 0.285 INCHES NOMINAL IN, body_thickness: 0.090 INCHES NOMINAL IN, outside_diameter: 3.850 INCHES MINIMUM AND 3.910 INCHES MAXIMUM IN, surface_treatment: PHOSPHATE ZINC, bolt_circle_diameter: 3.380 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-198-2765, 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
8438587
NSN: 5340-00-198-2765
FSC: 5340 — Hardware, Commercial
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1020
hole_diameter0.285 INCHES NOMINAL IN
body_thickness0.090 INCHES NOMINAL IN
outside_diameter3.850 INCHES MINIMUM AND 3.910 INCHES MAXIMUM IN
surface_treatmentPHOSPHATE ZINC
bolt_circle_diameter3.380 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleROUND, MULTI HOLES
bolt_circle_hole_quantity6
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleUNTHREADED HOLE
NSN5340-00-198-2765
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8438587 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: 6
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
OUTSIDE DIAMETER: 3.850 INCHES MINIMUM AND 3.910 INCHES MAXIMUM IN
•
SECURING DEVICE TYPE: THREADED FASTENER
•
BOLT CIRCLE DIAMETER: 3.380 INCHES NOMINAL IN
•
SURFACE TREATMENT: PHOSPHATE ZINC
•
PERIPHERAL SHAPE STYLE: ROUND, MULTI HOLES
TECHNICAL CHARACTERISTICS
BOLT CIRCLE HOLE QUANTITY6
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLEFLAT
OUTSIDE DIAMETER3.850 INCHES MINIMUM AND 3.910 INCHES MAXIMUM IN
SECURING DEVICE TYPETHREADED FASTENER
BOLT CIRCLE DIAMETER3.380 INCHES NOMINAL IN
SURFACE TREATMENTPHOSPHATE ZINC
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
MATERIALSTEEL COMP 1010 OR STEEL COMP 1020
HOLE DIAMETER0.285 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 1
1005001982765Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8438587?
8438587 is a COVER,ACCESS.
What parts can replace 8438587?
There is 1 known substitute for 8438587: 1005001982765. Substitute compatibility should be verified for your specific system.
What is the NSN for 8438587?
8438587 is cataloged in the U.S. Government catalog under NSN 5340-00-198-2765. This indicates validated use in U.S. government and defense supply chains.
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