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1540919 — COLLAR,SHAFT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1540919: COLLAR,SHAFT.

The COLLAR,SHAFT is a the manufacturer industrial component. Key specifications include material: STEEL, thickness: 0.312 INCHES NOMINAL IN, bore_diameter: 0.2500 INCHES NOMINAL IN, outside_diameter: 0.750 INCHES NOMINAL IN, style_designator: PLAIN ROUND, nominal_thread_size: 0.164 INCHES ALL HOLES IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-089-9050, 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
1540919
NSN: 3040-00-089-9050
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
materialSTEEL
thickness0.312 INCHES NOMINAL IN
key_quantity1
bore_diameter0.2500 INCHES NOMINAL IN
outside_diameter0.750 INCHES NOMINAL IN
style_designatorPLAIN ROUND
nominal_thread_size0.164 INCHES ALL HOLES IN
securing_hole_quantity2
internal_straight_key_width0.125 INCHES NOMINAL IN
distance_from_center_of_bore_to_top_of_key0.188 INCHES NOMINAL IN
angle_between_centerlines_of_securing_holes_in_deg90.0
NSN3040-00-089-9050
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COLLAR,SHAFT TITLE COMPONENT PN 1540919 MFR COLLAR,SHAFT
KEY FEATURES
•
DISTANCE FROM CENTER OF BORE TO TOP OF KEY: 0.188 INCHES NOMINAL IN
•
INTERNAL STRAIGHT KEY WIDTH: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN ROUND
•
OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
KEY QUANTITY: 1
•
NOMINAL THREAD SIZE: 0.164 INCHES ALL HOLES IN
•
ANGLE BETWEEN CENTERLINES OF SECURING HOLES IN DEG: 90.0
•
SECURING HOLE QUANTITY: 2
TECHNICAL CHARACTERISTICS
DISTANCE FROM CENTER OF BORE TO TOP OF KEY0.188 INCHES NOMINAL IN
INTERNAL STRAIGHT KEY WIDTH0.125 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN ROUND
OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
KEY QUANTITY1
NOMINAL THREAD SIZE0.164 INCHES ALL HOLES IN
ANGLE BETWEEN CENTERLINES OF SECURING HOLES IN DEG90.0
SECURING HOLE QUANTITY2
BORE DIAMETER0.2500 INCHES NOMINAL IN
MATERIALSTEEL
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1540919?
1540919 is a COLLAR,SHAFT.
What is the NSN for 1540919?
1540919 is cataloged in the U.S. Government catalog under NSN 3040-00-089-9050. 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.