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2870B3X2 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2870B3X2: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include body_thickness: 0.562 INCHES NOMINAL IN, inside_diameter: 3.109 INCHES NOMINAL IN, flange_thickness: 0.125 INCHES NOMINAL IN, outside_diameter: 3.562 INCHES NOMINAL IN, special_features: 1.500 IN. RAISED FLAT; 2.125 IN.

ON 2ND FLAT; 0.500 IN. BETWEEN FACES; MATERIAL: POT METAL IN, surface_treatment: PAINT. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-397-7116, 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
2870B3X2
NSN: 5340-00-397-7116
FSC: 5340 — Hardware, Commercial
CAGE: 56365 — SCHNEIDER ELECTRIC USA, INC. (USA)
SPECIFICATIONS
body_thickness0.562 INCHES NOMINAL IN
inside_diameter3.109 INCHES NOMINAL IN
flange_thickness0.125 INCHES NOMINAL IN
outside_diameter3.562 INCHES NOMINAL IN
special_features1.500 IN. RAISED FLAT; 2.125 IN. ON 2ND FLAT; 0.500 IN. BETWEEN FACES; MATERIAL: POT METAL IN
surface_treatmentPAINT
bolt_circle_diameter2.938 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleROUND, MULTI HOLES
bolt_circle_hole_quantity6
first_recess_inside_height0.125 INCHES NOMINAL IN
cross-sectional_shape_styleCIRCULAR RECESS
NSN5340-00-397-7116
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2870B3X2 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
•
FLANGE THICKNESS: 0.125 INCHES NOMINAL IN
•
BOLT CIRCLE HOLE QUANTITY: 6
•
FIRST RECESS INSIDE HEIGHT: 0.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR RECESS
•
OUTSIDE DIAMETER: 3.562 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: THREADED FASTENER
•
INSIDE DIAMETER: 3.109 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 2.938 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.125 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY6
FIRST RECESS INSIDE HEIGHT0.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLECIRCULAR RECESS
OUTSIDE DIAMETER3.562 INCHES NOMINAL IN
SECURING DEVICE TYPETHREADED FASTENER
INSIDE DIAMETER3.109 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER2.938 INCHES NOMINAL IN
SPECIAL FEATURES1.500 IN. RAISED FLAT; 2.125 IN. ON 2ND FLAT; 0.500 IN. BETWEEN FACES; MATERIAL: POT METAL IN
SURFACE TREATMENTPAINT
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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2870B3X2?
2870B3X2 is a COVER,ACCESS.
What is the NSN for 2870B3X2?
2870B3X2 is cataloged in the U.S. Government catalog under NSN 5340-00-397-7116. This indicates validated use in U.S. government and defense supply chains.
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