6921603-A90 — BLOCK,TACKLE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

6921603-A90: BLOCK,TACKLE.

The BLOCK,TACKLE is a the manufacturer industrial component. Key specifications include block_type: REGULAR, load_rating: 7800.0 POUNDS MAXIMUM LBS, special_features: MATERIAL IS NICKEL-COPPER-ALUMINUM ALLOY; CALLED BLOCK SHEAVE, style_designator: TROLLEY PATTERN, unable_to_decode: UNABLE TO DECODE, antitoppling_device: NOT INCLUDED. This part is cataloged in the U.S.

Government catalog under NSN 3940-01-485-6201, 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

6921603-A90

NSN: 3940-01-485-6201
FSC: 3940 — Blocks, Tackle, Rigging, and Slings
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

block_type	REGULAR
load_rating	7800.0 POUNDS MAXIMUM LBS
sheave_quantity	1
special_features	MATERIAL IS NICKEL-COPPER-ALUMINUM ALLOY; CALLED BLOCK SHEAVE
style_designator	TROLLEY PATTERN
unable_to_decode	UNABLE TO DECODE
antitoppling_device	NOT INCLUDED
center_pin_diameter	1.503 INCHES NOMINAL IN
tackle_locking_device	NOT INCLUDED
end_item_identification	VALVE, BALL S
tackle_accommodated_type	FIBROUS ROPE
maximum_tackle_diameter_accommodated	3.500 INCHES IN
NSN	3940-01-485-6201

COMPONENT DIAGRAM

KEY FEATURES

•

MAXIMUM TACKLE DIAMETER ACCOMMODATED: 3.500 INCHES IN

•

LOAD RATING: 7800.0 POUNDS MAXIMUM LBS

•

TACKLE LOCKING DEVICE: NOT INCLUDED

•

TACKLE ACCOMMODATED TYPE: FIBROUS ROPE

•

BLOCK TYPE: REGULAR

•

CENTER PIN DIAMETER: 1.503 INCHES NOMINAL IN

•

STYLE DESIGNATOR: TROLLEY PATTERN

TECHNICAL CHARACTERISTICS

MAXIMUM TACKLE DIAMETER ACCOMMODATED	3.500 INCHES IN
LOAD RATING	7800.0 POUNDS MAXIMUM LBS
TACKLE LOCKING DEVICE	NOT INCLUDED
TACKLE ACCOMMODATED TYPE	FIBROUS ROPE
BLOCK TYPE	REGULAR
CENTER PIN DIAMETER	1.503 INCHES NOMINAL IN
STYLE DESIGNATOR	TROLLEY PATTERN
SPECIAL FEATURES	MATERIAL IS NICKEL-COPPER-ALUMINUM ALLOY; CALLED BLOCK SHEAVE
UNABLE TO DECODE	UNABLE TO DECODE
END ITEM IDENTIFICATION	VALVE, BALL S

OTHER ITEMS IN FSC 3940 — Blocks, Tackle, Rigging, and Slings

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

3940-00-000-0169 3940-00-003-0706 3940-00-004-3568 3940-00-004-9175 3940-00-005-1366 3940-00-005-1367 3940-00-006-3256 3940-00-007-2801

SUBSTITUTES & CROSS-REFERENCES 1

580-6641123-ECHG-A90Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 6921603-A90?

6921603-A90 is a BLOCK,TACKLE.

What parts can replace 6921603-A90?

There is 1 known substitute for 6921603-A90: 580-6641123-ECHG-A90. Substitute compatibility should be verified for your specific system.

What is the NSN for 6921603-A90?

6921603-A90 is cataloged in the U.S. Government catalog under NSN 3940-01-485-6201. This indicates validated use in U.S. government and defense supply chains.

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6921603-A90 — BLOCK,TACKLE

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