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12268179 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12268179: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, hole_diameter: 0.281 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN, body_thickness: 0.810 INCHES NOMINAL IN, inside_diameter: 3.250 INCHES NOMINAL IN, flange_thickness: 0.340 INCHES NOMINAL IN, outside_diameter: 5.130 INCHES MINIMUM AND 5.190 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-311-4736, 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
12268179
NSN: 5340-01-311-4736
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
hole_diameter0.281 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
body_thickness0.810 INCHES NOMINAL IN
inside_diameter3.250 INCHES NOMINAL IN
flange_thickness0.340 INCHES NOMINAL IN
outside_diameter5.130 INCHES MINIMUM AND 5.190 INCHES MAXIMUM IN
special_featuresC HOLE THD 0.120-27 NPTF
bolt_circle_diameter4.625 INCHES NOMINAL IN
inside_corner_radius0.500 INCHES NOMINAL IN
securing_device_typeSPECIAL
peripheral_shape_styleROUND, MULTI HOLES
bolt_circle_hole_quantity6
NSN5340-01-311-4736
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12268179 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: 0.340 INCHES NOMINAL IN
•
BOLT CIRCLE HOLE QUANTITY: 6
•
INSIDE CORNER RADIUS: 0.500 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 1.500 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A148,GRADE 103-85-17 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR RECESS
•
OUTSIDE DIAMETER: 5.130 INCHES MINIMUM AND 5.190 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.340 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY6
INSIDE CORNER RADIUS0.500 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT1.500 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A148,GRADE 103-85-17 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLECIRCULAR RECESS
OUTSIDE DIAMETER5.130 INCHES MINIMUM AND 5.190 INCHES MAXIMUM IN
SECURING DEVICE TYPESPECIAL
INSIDE DIAMETER3.250 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12268179?
12268179 is a COVER,ACCESS.
What is the NSN for 12268179?
12268179 is cataloged in the U.S. Government catalog under NSN 5340-01-311-4736. This indicates validated use in U.S. government and defense supply chains.
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