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505656 ✓ Verified by PartsTable
— · 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 THREAD UNWINDER is a the manufacturer industrial component. Key specifications include length: 0.250 INCHES NOMINAL IN, material: STEEL, orifice_diameter: 0.016 INCHES NOMINAL IN, thread_provision: THREADED LOCATION NOT OTHERWISE SPECIFIED, thread_size_designator: 10.32 LOCATION NOT OTHERWISE SPECIFIED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3530-00-616-1612, 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
505656
NSN: 3530-00-616-1612
FSC: 3530
CAGE: 21305 — SINGER CO THE UNITED STATES DIV - SEWING PRODUCTS GROUP (USA)
SPECIFICATIONS
length0.250 INCHES NOMINAL IN
materialSTEEL
orifice_diameter0.016 INCHES NOMINAL IN
thread_provisionTHREADED LOCATION NOT OTHERWISE SPECIFIED
thread_size_designator10.32 LOCATION NOT OTHERWISE SPECIFIED
NSN3530-00-616-1612
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available THREAD UNWINDER TITLE COMPONENT PN 505656 MFR THREAD UNWINDER
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: TWO SPOOL CAPACITY,CONSISTS OF 1 EA SPOOL REST,SPOOL REST ROD,STAND FOLDER,THREAD GUIDE ROD AND 2 EA SPOOL REST CUSHION,SPOOL PIN,THREAD GUIDE,3 NO. 12,7/8 IN. LONG WOOD SCREWS FURNISHED FOR MTG STAND IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONTWO SPOOL CAPACITY,CONSISTS OF 1 EA SPOOL REST,SPOOL REST ROD,STAND FOLDER,THREAD GUIDE ROD AND 2 EA SPOOL REST CUSHION,SPOOL PIN,THREAD GUIDE,3 NO. 12,7/8 IN. LONG WOOD SCREWS FURNISHED FOR MTG STAND IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
10780Interchangeable
interchangeable cross-reference
interchangeable
KS10780Interchangeable
interchangeable cross-reference
interchangeable
505656Interchangeable
interchangeable cross-reference
interchangeable
8503939-1Interchangeable
interchangeable cross-reference
interchangeable
2010-2000-0224Interchangeable
interchangeable cross-reference
interchangeable
347C383H13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 505656?
505656 is a THREAD UNWINDER.
What parts can replace 505656?
There are 12 known substitutes for 505656: 10780, KS10780, 505656 and 9 more. Substitute compatibility should be verified for your specific system.
Is 505656 still available?
505656 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026