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12440534 — COLLAR,SHAFT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12440534: COLLAR,SHAFT.

The COLLAR,SHAFT is a the manufacturer industrial component. Key specifications include material: STEEL, thickness: 0.750 INCHES NOMINAL IN, outside_diameter: 2.000 INCHES NOMINAL IN, style_designator: PLAIN ROUND, end_item_identification: 3990-01-406-1340 FLATRACK; 3990-01-444-6174 BITUM DISTRIBUTOR, hole_diameter_and_location: 0.1900 INCHES NOMINAL ALL HOLES IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-423-1782, 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
12440534
NSN: 3040-01-423-1782
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
thickness0.750 INCHES NOMINAL IN
outside_diameter2.000 INCHES NOMINAL IN
style_designatorPLAIN ROUND
securing_hole_quantity2
end_item_identification3990-01-406-1340 FLATRACK; 3990-01-444-6174 BITUM DISTRIBUTOR
hole_diameter_and_location0.1900 INCHES NOMINAL ALL HOLES IN
securing_hole_type_and_locationUNTHREADED ALL HOLES
NSN3040-01-423-1782
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COLLAR,SHAFT TITLE COMPONENT PN 12440534 MFR COLLAR,SHAFT
KEY FEATURES
•
SECURING HOLE TYPE AND LOCATION: UNTHREADED ALL HOLES
•
STYLE DESIGNATOR: PLAIN ROUND
•
OUTSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
HOLE DIAMETER AND LOCATION: 0.1900 INCHES NOMINAL ALL HOLES IN
•
SECURING HOLE QUANTITY: 2
•
MATERIAL: STEEL
•
THICKNESS: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SECURING HOLE TYPE AND LOCATIONUNTHREADED ALL HOLES
STYLE DESIGNATORPLAIN ROUND
OUTSIDE DIAMETER2.000 INCHES NOMINAL IN
HOLE DIAMETER AND LOCATION0.1900 INCHES NOMINAL ALL HOLES IN
SECURING HOLE QUANTITY2
END ITEM IDENTIFICATION3990-01-406-1340 FLATRACK; 3990-01-444-6174 BITUM DISTRIBUTOR
MATERIALSTEEL
THICKNESS0.750 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224
SUBSTITUTES & CROSS-REFERENCES 1
3HD595Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12440534?
12440534 is a COLLAR,SHAFT.
What parts can replace 12440534?
There is 1 known substitute for 12440534: 3HD595. Substitute compatibility should be verified for your specific system.
What is the NSN for 12440534?
12440534 is cataloged in the U.S. Government catalog under NSN 3040-01-423-1782. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.