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11741179 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11741179: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 355.0 OR ALUMINUM ALLOY 356.0, ear_radius: 0.156 INCHES NOMINAL IN, body_radius: 1.250 INCHES NOMINAL IN, hole_diameter: 0.312 INCHES NOMINAL IN, body_thickness: 0.094 INCHES NOMINAL IN, inside_diameter: 2.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-244-9855, 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
11741179
NSN: 5340-01-244-9855
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 355.0 OR ALUMINUM ALLOY 356.0
ear_radius0.156 INCHES NOMINAL IN
body_radius1.250 INCHES NOMINAL IN
hole_diameter0.312 INCHES NOMINAL IN
body_thickness0.094 INCHES NOMINAL IN
inside_diameter2.062 INCHES NOMINAL IN
inverted_radius0.125 INCHES NOMINAL IN
flange_thickness0.374 INCHES NOMINAL IN
surface_treatmentPRIMER AND ENAMEL LUSTERLESS
bolt_circle_diameter2.687 INCHES NOMINAL IN
inside_corner_radius0.062 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
NSN5340-01-244-9855
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11741179 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-STD-171,7.2.3 MIL STD 1ST TREATMENT RESPONSE AND TT-P-175 7,COLOR Y FED SPEC 2ND TREATMENT RESPONSE AND MIL-L-52909 MIL SPEC 3RD TREATMENT RESPONSE
•
FLANGE THICKNESS: 0.374 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.062 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 0.438 INCHES NOMINAL IN
•
EAR RADIUS: 0.156 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-601,TEMPER T6 FED SPEC ALL MATERIAL RESPONSES
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR RECESS
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171,7.2.3 MIL STD 1ST TREATMENT RESPONSE AND TT-P-175 7,COLOR Y FED SPEC 2ND TREATMENT RESPONSE AND MIL-L-52909 MIL SPEC 3RD TREATMENT RESPONSE
FLANGE THICKNESS0.374 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.062 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT0.438 INCHES NOMINAL IN
EAR RADIUS0.156 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-601,TEMPER T6 FED SPEC ALL MATERIAL RESPONSES
CROSS-SECTIONAL SHAPE STYLECIRCULAR RECESS
INVERTED RADIUS0.125 INCHES NOMINAL IN
SECURING DEVICE TYPETHREADED FASTENER
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 11741179?
11741179 is a COVER,ACCESS.
What is the NSN for 11741179?
11741179 is cataloged in the U.S. Government catalog under NSN 5340-01-244-9855. This indicates validated use in U.S. government and defense supply chains.
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