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CPR103890 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

CPR103890: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, inside_angle: 3.0 DEGREES NOMINAL, hole_diameter: 0.531 INCHES MINIMUM AND 0.536 INCHES MAXIMUM IN, body_thickness: 0.250 INCHES NOMINAL IN, inside_diameter: 2.940 INCHES NOMINAL IN, flange_thickness: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-267-0382, 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
CPR103890
NSN: 5340-00-267-0382
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
inside_angle3.0 DEGREES NOMINAL
hole_diameter0.531 INCHES MINIMUM AND 0.536 INCHES MAXIMUM IN
body_thickness0.250 INCHES NOMINAL IN
inside_diameter2.940 INCHES NOMINAL IN
flange_thickness0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
outside_diameter6.620 INCHES NOMINAL IN
body_outside_radius0.120 INCHES NOMINAL IN
bolt_circle_diameter5.500 INCHES NOMINAL IN
inside_corner_radius0.190 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
first_recess_diameter4.251 INCHES MINIMUM AND 4.253 INCHES MAXIMUM IN
NSN5340-00-267-0382
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CPR103890 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: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
•
BOLT CIRCLE HOLE QUANTITY: 6
•
INSIDE CORNER RADIUS: 0.190 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 1.190 INCHES NOMINAL IN
•
FIRST RECESS DIAMETER: 4.251 INCHES MINIMUM AND 4.253 INCHES MAXIMUM IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-681 FED SPEC SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 6.620 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
BOLT CIRCLE HOLE QUANTITY6
INSIDE CORNER RADIUS0.190 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT1.190 INCHES NOMINAL IN
FIRST RECESS DIAMETER4.251 INCHES MINIMUM AND 4.253 INCHES MAXIMUM IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-681 FED SPEC SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER6.620 INCHES NOMINAL IN
SECURING DEVICE TYPETHREADED FASTENER
INSIDE DIAMETER2.940 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
5340002670382Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CPR103890?
CPR103890 is a COVER,ACCESS.
What parts can replace CPR103890?
There is 1 known substitute for CPR103890: 5340002670382. Substitute compatibility should be verified for your specific system.
What is the NSN for CPR103890?
CPR103890 is cataloged in the U.S. Government catalog under NSN 5340-00-267-0382. This indicates validated use in U.S. government and defense supply chains.
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