6521-70-820-1042 — COVER,ACCESS

✓ Government record, cited

— · ORING SEAL

PRODUCT OVERVIEW

6521-70-820-1042: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075, securing_device_type: THREADED FASTENER, peripheral_shape_style: ROUND, MULTI HOLES, end_item_identification: HELICOPTER MODEL MH-53E, bolt_circle_hole_quantity: 16, mounting_opening_shape_style: THREADED HOLE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-306-3891, 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

6521-70-820-1042

NSN: 5340-01-306-3891
FSC: 5340 — Hardware, Commercial
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 7075
securing_device_type	THREADED FASTENER
peripheral_shape_style	ROUND, MULTI HOLES
end_item_identification	HELICOPTER MODEL MH-53E
bolt_circle_hole_quantity	16
mounting_opening_shape_style	THREADED HOLE
material_document_and_classification	QQ-A-250/13 FED SPEC SINGLE MATERIAL RESPONSE
NSN	5340-01-306-3891

COMPONENT DIAGRAM

KEY FEATURES

•

BOLT CIRCLE HOLE QUANTITY: 16

•

MOUNTING OPENING SHAPE STYLE: THREADED HOLE

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/13 FED SPEC SINGLE MATERIAL RESPONSE

•

SECURING DEVICE TYPE: THREADED FASTENER

•

PERIPHERAL SHAPE STYLE: ROUND, MULTI HOLES

•

MATERIAL: ALUMINUM ALLOY 7075

TECHNICAL CHARACTERISTICS

BOLT CIRCLE HOLE QUANTITY	16
MOUNTING OPENING SHAPE STYLE	THREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-250/13 FED SPEC SINGLE MATERIAL RESPONSE
SECURING DEVICE TYPE	THREADED FASTENER
PERIPHERAL SHAPE STYLE	ROUND, MULTI HOLES
END ITEM IDENTIFICATION	HELICOPTER MODEL MH-53E
MATERIAL	ALUMINUM ALLOY 7075

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

65217-08201-041Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 6521-70-820-1042?

6521-70-820-1042 is a COVER,ACCESS.

What parts can replace 6521-70-820-1042?

There is 1 known substitute for 6521-70-820-1042: 65217-08201-041. Substitute compatibility should be verified for your specific system.

What is the NSN for 6521-70-820-1042?

6521-70-820-1042 is cataloged in the U.S. Government catalog under NSN 5340-01-306-3891. This indicates validated use in U.S. government and defense supply chains.

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6521-70-820-1042 — COVER,ACCESS

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