581-6726890-AY98 — BLOCK,TACKLE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

581-6726890-AY98: BLOCK,TACKLE.

The BLOCK,TACKLE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, block_type: REGULAR, shell_length: 61.750 INCHES NOMINAL IN, style_designator: OVAL PATTERN, functional_description: AFT COMPLIANT SHEAVE ASSY, end_item_identification: LOS ANGELES CLASS SSN (688). This part is cataloged in the U.S.

Government catalog under NSN 3940-01-489-1464, 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

581-6726890-AY98

NSN: 3940-01-489-1464
FSC: 3940 — Blocks, Tackle, Rigging, and Slings
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	STEEL OVERALL
block_type	REGULAR
shell_length	61.750 INCHES NOMINAL IN
sheave_quantity	2
style_designator	OVAL PATTERN
functional_description	AFT COMPLIANT SHEAVE ASSY
end_item_identification	LOS ANGELES CLASS SSN (688)
NSN	3940-01-489-1464

COMPONENT DIAGRAM

KEY FEATURES

•

BLOCK TYPE: REGULAR

•

STYLE DESIGNATOR: OVAL PATTERN

•

SHELL LENGTH: 61.750 INCHES NOMINAL IN

•

FUNCTIONAL DESCRIPTION: AFT COMPLIANT SHEAVE ASSY

•

SHEAVE QUANTITY: 2

•

MATERIAL: STEEL OVERALL

TECHNICAL CHARACTERISTICS

BLOCK TYPE	REGULAR
STYLE DESIGNATOR	OVAL PATTERN
SHELL LENGTH	61.750 INCHES NOMINAL IN
FUNCTIONAL DESCRIPTION	AFT COMPLIANT SHEAVE ASSY
END ITEM IDENTIFICATION	LOS ANGELES CLASS SSN (688)
SHEAVE QUANTITY	2
MATERIAL	STEEL OVERALL

SUBSTITUTES & CROSS-REFERENCES 2

14901338Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

6726890Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation

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FREQUENTLY ASKED QUESTIONS

What is 581-6726890-AY98?

581-6726890-AY98 is a BLOCK,TACKLE.

What parts can replace 581-6726890-AY98?

There are 2 known substitutes for 581-6726890-AY98: 14901338, 6726890. Substitute compatibility should be verified for your specific system.

What is the NSN for 581-6726890-AY98?

581-6726890-AY98 is cataloged in the U.S. Government catalog under NSN 3940-01-489-1464. This indicates validated use in U.S. government and defense supply chains.

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581-6726890-AY98 — BLOCK,TACKLE

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