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12306974 — COLLAR,SHAFT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12306974: COLLAR,SHAFT.

The COLLAR,SHAFT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061, thickness: 0.700 INCHES NOMINAL IN, bore_diameter: 0.4020 INCHES NOMINAL IN, outside_diameter: 0.625 INCHES NOMINAL IN, style_designator: ROUND W/DOUBLE CHAMFER, chamfer_angle_in_deg: 45.0. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-139-3739, 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
12306974
NSN: 3040-01-139-3739
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
thickness0.700 INCHES NOMINAL IN
bore_diameter0.4020 INCHES NOMINAL IN
outside_diameter0.625 INCHES NOMINAL IN
style_designatorROUND W/DOUBLE CHAMFER
chamfer_angle_in_deg45.0
largest_diameter_length0.640 INCHES NOMINAL IN
material_document_and_classificationQQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE
NSN3040-01-139-3739
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COLLAR,SHAFT TITLE COMPONENT PN 12306974 MFR COLLAR,SHAFT
KEY FEATURES
•
LARGEST DIAMETER LENGTH: 0.640 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND W/DOUBLE CHAMFER
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
CHAMFER ANGLE IN DEG: 45.0
•
BORE DIAMETER: 0.4020 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY 6061
•
THICKNESS: 0.700 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LARGEST DIAMETER LENGTH0.640 INCHES NOMINAL IN
STYLE DESIGNATORROUND W/DOUBLE CHAMFER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER0.625 INCHES NOMINAL IN
CHAMFER ANGLE IN DEG45.0
BORE DIAMETER0.4020 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 6061
THICKNESS0.700 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

No substitute or cross-reference records for this part.

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 12306974?
12306974 is a COLLAR,SHAFT.
What is the NSN for 12306974?
12306974 is cataloged in the U.S. Government catalog under NSN 3040-01-139-3739. 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.