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Technical Data Sheet
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14901338 — Technical Data Sheet

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— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

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 product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) 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
14901338
NSN: 3940-01-489-1464
FSC: 3940
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
block_typeREGULAR
shell_length61.750 INCHES NOMINAL IN
sheave_quantity2
style_designatorOVAL PATTERN
functional_descriptionAFT COMPLIANT SHEAVE ASSY
end_item_identificationLOS ANGELES CLASS SSN (688)
NSN3940-01-489-1464
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BLOCK,TACKLE TITLE COMPONENT PN 14901338 MFR BLOCK,TACKLE
KEY FEATURES
•
SHEAVE QUANTITY: 2
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: OVAL PATTERN
•
FUNCTIONAL DESCRIPTION: AFT COMPLIANT SHEAVE ASSY
•
BLOCK TYPE: REGULAR
•
SHELL LENGTH: 61.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SHEAVE QUANTITY2
MATERIALSTEEL OVERALL
STYLE DESIGNATOROVAL PATTERN
FUNCTIONAL DESCRIPTIONAFT COMPLIANT SHEAVE ASSY
END ITEM IDENTIFICATIONLOS ANGELES CLASS SSN (688)
BLOCK TYPEREGULAR
SHELL LENGTH61.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
6726890Interchangeable
interchangeable cross-reference
interchangeable
14985726Interchangeable
interchangeable cross-reference
interchangeable
KSC352548VInterchangeable
interchangeable cross-reference
interchangeable
KSC348656VInterchangeable
interchangeable cross-reference
interchangeable
581-6726890-37Interchangeable
interchangeable cross-reference
interchangeable
14985701Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 14901338?
14901338 is a BLOCK,TACKLE.
What parts can replace 14901338?
There are 20 known substitutes for 14901338: 6726890, 14985726, KSC352548V and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 14901338?
14901338 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3940-01-489-1464. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: August 2026