16B6521-191 — COVER,ACCESS,AIRCRAFT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

16B6521-191: COVER,ACCESS,AIRCRAFT.

The COVER,ACCESS,AIRCRAFT is a the manufacturer industrial component. Key specifications include width: 47.900 INCHES NOMINAL IN, length: 80.708 INCHES NOMINAL IN, material: ALUMINUM ALLOY 2024, body_thickness: 1.560 INCHES NOMINAL IN, special_features: ENGINE ACCESS FS446 TO FS494, inside_corner_radius: 25.690 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 1560-01-301-0187, 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

16B6521-191

NSN: 1560-01-301-0187
FSC: 1560 — Airframe Structural Components
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)

SPECIFICATIONS

width	47.900 INCHES NOMINAL IN
length	80.708 INCHES NOMINAL IN
material	ALUMINUM ALLOY 2024
body_thickness	1.560 INCHES NOMINAL IN
special_features	ENGINE ACCESS FS446 TO FS494
inside_corner_radius	25.690 INCHES NOMINAL IN
securing_device_type	THREADED FASTENER
peripheral_shape_style	RECTANGLE, MULTI HOLES
end_item_identification	F-16
hole_quantity_along_width	34
hole_quantity_along_length	71
cross-sectional_shape_style	ARCHED
NSN	1560-01-301-0187

COMPONENT DIAGRAM

KEY FEATURES

•

DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH: 47.150 INCHES NOMINAL IN

•

LENGTH: 80.708 INCHES NOMINAL IN

•

DISTANCE BETWEEN HOLES ALONG LENGTH: 0.840 INCHES MINIMUM AND 2.946 INCHES MAXIMUM IN

•

INSIDE CORNER RADIUS: 25.690 INCHES NOMINAL IN

•

HOLE QUANTITY ALONG LENGTH: 71

•

DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG LENGTH: 2.470 INCHES NOMINAL IN

•

DISTANCE BETWEEN HOLES ALONG WIDTH: 0.750 INCHES MINIMUM AND 6.700 INCHES MAXIMUM IN

•

CROSS-SECTIONAL SHAPE STYLE: ARCHED

TECHNICAL CHARACTERISTICS

DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH	47.150 INCHES NOMINAL IN
LENGTH	80.708 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH	0.840 INCHES MINIMUM AND 2.946 INCHES MAXIMUM IN
INSIDE CORNER RADIUS	25.690 INCHES NOMINAL IN
HOLE QUANTITY ALONG LENGTH	71
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG LENGTH	2.470 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH	0.750 INCHES MINIMUM AND 6.700 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE	ARCHED
SECURING DEVICE TYPE	THREADED FASTENER
HOLE QUANTITY ALONG WIDTH	34

OTHER ITEMS IN FSC 1560 — Airframe Structural Components

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

1560-00-003-1977 1560-00-003-3257 1560-00-004-4244 1560-00-005-7280 1560-00-006-0576 1560-00-006-6538 1560-00-007-9578 1560-00-009-4192

SUBSTITUTES & CROSS-REFERENCES 1

16B6521-181Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusActive· U.S. Government catalog

Demilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is 16B6521-191?

16B6521-191 is a COVER,ACCESS,AIRCRAFT.

What parts can replace 16B6521-191?

There is 1 known substitute for 16B6521-191: 16B6521-181. Substitute compatibility should be verified for your specific system.

What is the NSN for 16B6521-191?

16B6521-191 is cataloged in the U.S. Government catalog under NSN 1560-01-301-0187. This indicates validated use in U.S. government and defense supply chains.

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16B6521-191 — COVER,ACCESS,AIRCRAFT

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