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74A330661-2012 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

74A330661-2012: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075, hole_diameter: 0.191 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN, body_thickness: 1.000 INCHES NOMINAL IN, outside_diameter: 2.450 INCHES NOMINAL IN, special_features: RIVET INCLUDED, securing_device_type: THREADED FASTENER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-285-7134, 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
74A330661-2012
NSN: 5340-01-285-7134
FSC: 5340 — Hardware, Commercial
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075
hole_diameter0.191 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
body_thickness1.000 INCHES NOMINAL IN
outside_diameter2.450 INCHES NOMINAL IN
special_featuresRIVET INCLUDED
securing_device_typeTHREADED FASTENER
peripheral_shape_styleROUND, NO HOLES
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationQQ-A-250/24,T76 FED SPEC SINGLE MATERIAL RESPONSE
bolt_hole_centerline_to_nearest_edge_distance1.225 INCHES NOMINAL IN
NSN5340-01-285-7134
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 74A330661-2012 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
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/24,T76 FED SPEC SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 2.450 INCHES NOMINAL IN
•
BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE: 1.225 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: THREADED FASTENER
•
PERIPHERAL SHAPE STYLE: ROUND, NO HOLES
•
MATERIAL: ALUMINUM ALLOY 7075
TECHNICAL CHARACTERISTICS
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/24,T76 FED SPEC SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER2.450 INCHES NOMINAL IN
BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE1.225 INCHES NOMINAL IN
SECURING DEVICE TYPETHREADED FASTENER
SPECIAL FEATURESRIVET INCLUDED
PERIPHERAL SHAPE STYLEROUND, NO HOLES
MATERIALALUMINUM ALLOY 7075
HOLE DIAMETER0.191 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
BODY THICKNESS1.000 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 74A330661-2012?
74A330661-2012 is a COVER,ACCESS.
What is the NSN for 74A330661-2012?
74A330661-2012 is cataloged in the U.S. Government catalog under NSN 5340-01-285-7134. This indicates validated use in U.S. government and defense supply chains.
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