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12253934 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12253934: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, inside_angle: 90.0 DEGREES NOMINAL, hole_diameter: 0.400 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN, body_thickness: 0.250 INCHES NOMINAL IN, inside_diameter: 11.000 INCHES MINIMUM AND 11.003 INCHES MAXIMUM IN, outside_diameter: 12.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-050-7164, 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
12253934
NSN: 5340-01-050-7164
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
inside_angle90.0 DEGREES NOMINAL
hole_diameter0.400 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN
body_thickness0.250 INCHES NOMINAL IN
inside_diameter11.000 INCHES MINIMUM AND 11.003 INCHES MAXIMUM IN
outside_diameter12.500 INCHES NOMINAL IN
surface_treatmentPHOSPHATE ZINC
bolt_circle_diameter11.875 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleROUND, MULTI HOLES
bolt_circle_hole_quantity12
first_recess_inside_height2.620 INCHES NOMINAL IN
NSN5340-01-050-7164
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12253934 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: 12
•
FIRST RECESS INSIDE HEIGHT: 2.620 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-681 GR105-85 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR RECESS
•
OUTSIDE DIAMETER: 12.500 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: THREADED FASTENER
•
INSIDE DIAMETER: 11.000 INCHES MINIMUM AND 11.003 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
BOLT CIRCLE HOLE QUANTITY12
FIRST RECESS INSIDE HEIGHT2.620 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-681 GR105-85 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLECIRCULAR RECESS
OUTSIDE DIAMETER12.500 INCHES NOMINAL IN
SECURING DEVICE TYPETHREADED FASTENER
INSIDE DIAMETER11.000 INCHES MINIMUM AND 11.003 INCHES MAXIMUM IN
BOLT CIRCLE DIAMETER11.875 INCHES NOMINAL IN
SURFACE TREATMENTPHOSPHATE ZINC
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
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 12253934?
12253934 is a COVER,ACCESS.
What is the NSN for 12253934?
12253934 is cataloged in the U.S. Government catalog under NSN 5340-01-050-7164. This indicates validated use in U.S. government and defense supply chains.
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