3644T68 — WINCH,DRUM,HAND OPERATED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

3644T68: WINCH,DRUM,HAND OPERATED.

The WINCH,DRUM,HAND OPERATED is a the manufacturer industrial component. Key specifications include load_rating: 1800.0 POUNDS MAXIMUM LBS, braking_method: MANUAL, drum_surface_design: GROOVED, gear_mechanical_advantage: SINGLE, drum_diameter_and_location: 0.281 INCHES NOMINAL FIRST DRUM IN, mechanical_advantage_method: SPUR GEAR. This part is cataloged in the U.S.

Government catalog under NSN 3950-01-309-9921, 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

3644T68

NSN: 3950-01-309-9921
FSC: 3950 — Winches, Hoists, Cranes, and Derricks
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)

SPECIFICATIONS

load_rating	1800.0 POUNDS MAXIMUM LBS
braking_method	MANUAL
special_features	HEAT TREATED STEEL GEAR;PERMANENTLY LUBRICATED BEARINGS;5.5.1 GEAR RATIO;TWO WAY RATCHET,BASE PLATE,4.4 IN. W BY 5.5 IN. LG;DRUM STORAGE LG58.000 FT;BOAT TRAILER APPLICATION IN
drum_surface_design	GROOVED
gear_mechanical_advantage	SINGLE
drum_diameter_and_location	0.281 INCHES NOMINAL FIRST DRUM IN
mechanical_advantage_method	SPUR GEAR
NSN	3950-01-309-9921

COMPONENT DIAGRAM

KEY FEATURES

•

LOAD RATING: 1800.0 POUNDS MAXIMUM LBS

•

DRUM SURFACE DESIGN: GROOVED

•

BRAKING METHOD: MANUAL

•

MECHANICAL ADVANTAGE METHOD: SPUR GEAR

•

GEAR MECHANICAL ADVANTAGE: SINGLE

•

DRUM DIAMETER AND LOCATION: 0.281 INCHES NOMINAL FIRST DRUM IN

TECHNICAL CHARACTERISTICS

LOAD RATING	1800.0 POUNDS MAXIMUM LBS
DRUM SURFACE DESIGN	GROOVED
BRAKING METHOD	MANUAL
MECHANICAL ADVANTAGE METHOD	SPUR GEAR
GEAR MECHANICAL ADVANTAGE	SINGLE
SPECIAL FEATURES	HEAT TREATED STEEL GEAR;PERMANENTLY LUBRICATED BEARINGS;5.5.1 GEAR RATIO;TWO WAY RATCHET,BASE PLATE,4.4 IN. W BY 5.5 IN. LG;DRUM STORAGE LG58.000 FT;BOAT TRAILER APPLICATION IN
DRUM DIAMETER AND LOCATION	0.281 INCHES NOMINAL FIRST DRUM IN

OTHER ITEMS IN FSC 3950 — Winches, Hoists, Cranes, and Derricks

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

3950-00-001-1249 3950-00-001-3984 3950-00-001-6303 3950-00-001-6304 3950-00-001-6312 3950-00-001-6313 3950-00-001-7831 3950-00-001-7834

SUBSTITUTES & CROSS-REFERENCES 2

3644T37Reference document

Same NSN cross-reference

Reference document — Secondary reference

3644T17Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 3644T68?

3644T68 is a WINCH,DRUM,HAND OPERATED.

What parts can replace 3644T68?

There are 2 known substitutes for 3644T68: 3644T37, 3644T17. Substitute compatibility should be verified for your specific system.

What is the NSN for 3644T68?

3644T68 is cataloged in the U.S. Government catalog under NSN 3950-01-309-9921. This indicates validated use in U.S. government and defense supply chains.

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3644T68 — WINCH,DRUM,HAND OPERATED

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