12510689 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

12510689: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340, end_similarity: NOT IDENTICAL, overall_length: 24.095 INCHES MINIMUM AND 24.155 INCHES MAXIMUM IN, second_end_diameter: 1.3771 INCHES MINIMUM AND 1.3776 INCHES MAXIMUM IN, first_end_hole_depth: 1.00 INCHES MAXIMUM IN, end_item_identification: 2520-01-417-4144. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-655-6652, 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

12510689

NSN: 3040-01-655-6652
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL COMP 4340
step_quantity	4
end_similarity	NOT IDENTICAL
overall_length	24.095 INCHES MINIMUM AND 24.155 INCHES MAXIMUM IN
second_end_diameter	1.3771 INCHES MINIMUM AND 1.3776 INCHES MAXIMUM IN
first_end_hole_depth	1.00 INCHES MAXIMUM IN
end_item_identification	2520-01-417-4144
first_end_hole_diameter	0.780 INCHES MAXIMUM IN
first_end_spline_quantity	40
first_end_spline_major_diameter	5.093 INCHES NOMINAL IN
first_end_spline_minor_diameter	4.834 INCHES MINIMUM IN
material_document_and_classification	ASTM A668 ASSN STD SINGLE MATERIAL RESPONSE
NSN	3040-01-655-6652

COMPONENT DIAGRAM

KEY FEATURES

•

STEP QUANTITY: 4

•

FIRST END SPLINE MAJOR DIAMETER: 5.093 INCHES NOMINAL IN

•

SECOND END DIAMETER: 1.3771 INCHES MINIMUM AND 1.3776 INCHES MAXIMUM IN

•

FIRST END HOLE DEPTH: 1.00 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A668 ASSN STD SINGLE MATERIAL RESPONSE

•

FIRST END SPLINE QUANTITY: 40

•

END SIMILARITY: NOT IDENTICAL

TECHNICAL CHARACTERISTICS

STEP QUANTITY	4
FIRST END SPLINE MAJOR DIAMETER	5.093 INCHES NOMINAL IN
SECOND END DIAMETER	1.3771 INCHES MINIMUM AND 1.3776 INCHES MAXIMUM IN
FIRST END HOLE DEPTH	1.00 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A668 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH	24.095 INCHES MINIMUM AND 24.155 INCHES MAXIMUM IN
FIRST END SPLINE QUANTITY	40
END SIMILARITY	NOT IDENTICAL
FIRST END HOLE DIAMETER	0.780 INCHES MAXIMUM IN
SPECIAL FEATURES	FIRST END HAS (19) THREADED HOLES; (1) WITH .250-28UNF-2B INTERNAL THREADING, (6) WITH .375-24UNF-2B INTERNAL THREADING, AND (12) WITH 1.000-12UNF-2B INTERNAL THREADING; THE SECOND END HAS 1.750-12UN-3A EXTERNAL THREADING, AND 0.750-16UNF-2B INTERNAL THREADING A

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 12510689?

12510689 is a SHAFT,SHOULDERED.

What is the NSN for 12510689?

12510689 is cataloged in the U.S. Government catalog under NSN 3040-01-655-6652. This indicates validated use in U.S. government and defense supply chains.

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12510689 — SHAFT,SHOULDERED

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