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87034A1620-3 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

87034A1620-3: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061, body_thickness: 0.250 INCHES NOMINAL IN, outside_diameter: 3.620 INCHES NOMINAL IN, features_provided: SEALING CAPABILITY AND SPECIAL MARKING, surface_treatment: CHROMATE, bolt_circle_diameter: 3.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-351-9222, 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
87034A1620-3
NSN: 5340-01-351-9222
FSC: 5340 — Hardware, Commercial
CAGE: 01365 — MARINE CORPS SYSTEMS COMMAND DIV MARINE CORPS SYSTEMS COMMAND TECHNICAL DATA REPOSITORY CUSTOMER SERVICE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
body_thickness0.250 INCHES NOMINAL IN
outside_diameter3.620 INCHES NOMINAL IN
features_providedSEALING CAPABILITY AND SPECIAL MARKING
surface_treatmentCHROMATE
bolt_circle_diameter3.250 INCHES NOMINAL IN
securing_device_typeSPECIAL
peripheral_shape_styleROUND, MULTI HOLES
bolt_circle_hole_quantity4
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleTHREADED HOLE
material_document_and_classificationQQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-351-9222
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 87034A1620-3 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541,CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A
•
BOLT CIRCLE HOLE QUANTITY: 4
•
MOUNTING OPENING SHAPE STYLE: THREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
OUTSIDE DIAMETER: 3.620 INCHES NOMINAL IN
•
FEATURES PROVIDED: SEALING CAPABILITY AND SPECIAL MARKING
•
SECURING DEVICE TYPE: SPECIAL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541,CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A
BOLT CIRCLE HOLE QUANTITY4
MOUNTING OPENING SHAPE STYLETHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
OUTSIDE DIAMETER3.620 INCHES NOMINAL IN
FEATURES PROVIDEDSEALING CAPABILITY AND SPECIAL MARKING
SECURING DEVICE TYPESPECIAL
BOLT CIRCLE DIAMETER3.250 INCHES NOMINAL IN
SPECIAL FEATURESTWO OF THE FOUR HOLES ON CIRCUMFERENCE ARE THREADED (10-32 UNF-2B) AND COUNTERBORED (0.321 IN. X 0.090 IN. DEEP); THE OTHER TWO HOLES ARE PLAIN (0.272 IN. MIN,0.275 IN. MAX); A FIFTH HOLE (THREADED 10-32 UNF-2B) IS 1.000 IN. FROM A PLAIN CIRCUMFERENCE HOLE AND 0.625 IN. FROM COVE R9S CENTER POINT 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 87034A1620-3?
87034A1620-3 is a COVER,ACCESS.
What is the NSN for 87034A1620-3?
87034A1620-3 is cataloged in the U.S. Government catalog under NSN 5340-01-351-9222. This indicates validated use in U.S. government and defense supply chains.
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