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74A551760-2001 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

74A551760-2001: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, hole_diameter: 0.281 INCHES NOMINAL IN, body_thickness: 0.570 INCHES NOMINAL IN, outside_diameter: 4.000 INCHES NOMINAL IN, bolt_circle_diameter: 3.266 INCHES NOMINAL IN, inside_corner_radius: 14.410 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-159-8923, 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
74A551760-2001
NSN: 5340-01-159-8923
FSC: 5340 — Hardware, Commercial
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
hole_diameter0.281 INCHES NOMINAL IN
body_thickness0.570 INCHES NOMINAL IN
outside_diameter4.000 INCHES NOMINAL IN
bolt_circle_diameter3.266 INCHES NOMINAL IN
inside_corner_radius14.410 INCHES NOMINAL IN
securing_device_typeSPECIAL
peripheral_shape_styleROUND, MULTI HOLES
bolt_circle_hole_quantity8
cross-sectional_shape_styleARCHED
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationAMS4260 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-01-159-8923
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 74A551760-2001 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: 8
•
INSIDE CORNER RADIUS: 14.410 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS4260 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: ARCHED
•
OUTSIDE DIAMETER: 4.000 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: SPECIAL
•
BOLT CIRCLE DIAMETER: 3.266 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BOLT CIRCLE HOLE QUANTITY8
INSIDE CORNER RADIUS14.410 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS4260 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEARCHED
OUTSIDE DIAMETER4.000 INCHES NOMINAL IN
SECURING DEVICE TYPESPECIAL
BOLT CIRCLE DIAMETER3.266 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
MATERIALALUMINUM ALLOY
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
10104828Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 74A551760-2001?
74A551760-2001 is a COVER,ACCESS.
What parts can replace 74A551760-2001?
There is 1 known substitute for 74A551760-2001: 10104828. Substitute compatibility should be verified for your specific system.
What is the NSN for 74A551760-2001?
74A551760-2001 is cataloged in the U.S. Government catalog under NSN 5340-01-159-8923. This indicates validated use in U.S. government and defense supply chains.
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