6512-51-121-4101 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

6512-51-121-4101: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340, end_similarity: IDENTICAL, overall_length: 2.644 INCHES MINIMUM AND 2.654 INCHES MAXIMUM IN, surface_finish: 32.0 MICROINCHES, first_end_style: UNTHREADED CROSS DRILLED, first_end_diameter: 0.7470 INCHES MINIMUM AND 0.7479 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-125-6925, 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

6512-51-121-4101

NSN: 3040-01-125-6925
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)

SPECIFICATIONS

material	STEEL COMP 4340
step_quantity	3
end_similarity	IDENTICAL
overall_length	2.644 INCHES MINIMUM AND 2.654 INCHES MAXIMUM IN
surface_finish	32.0 MICROINCHES
first_end_style	UNTHREADED CROSS DRILLED
first_end_diameter	0.7470 INCHES MINIMUM AND 0.7479 INCHES MAXIMUM IN
largest_step_diameter	0.8720 INCHES MINIMUM AND 0.8729 INCHES MAXIMUM IN
first_end_hole_diameter	0.1400 INCHES MINIMUM AND 0.1430 INCHES MAXIMUM IN
criticality_code_justification	CSPY
material_document_and_classification	MIL-S-8844 MIL SPEC SINGLE MATERIAL RESPONSE
first_end_distance_from_hole_center_to_end	0.228 INCHES NOMINAL IN
NSN	3040-01-125-6925

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES

•

STEP QUANTITY: 3

•

FIRST END DIAMETER: 0.7470 INCHES MINIMUM AND 0.7479 INCHES MAXIMUM IN

•

LARGEST STEP DIAMETER: 0.8720 INCHES MINIMUM AND 0.8729 INCHES MAXIMUM IN

•

FIRST END STYLE: UNTHREADED CROSS DRILLED

•

CRITICALITY CODE JUSTIFICATION: CSPY

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-8844 MIL SPEC SINGLE MATERIAL RESPONSE

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES
STEP QUANTITY	3
FIRST END DIAMETER	0.7470 INCHES MINIMUM AND 0.7479 INCHES MAXIMUM IN
LARGEST STEP DIAMETER	0.8720 INCHES MINIMUM AND 0.8729 INCHES MAXIMUM IN
FIRST END STYLE	UNTHREADED CROSS DRILLED
CRITICALITY CODE JUSTIFICATION	CSPY
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-8844 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH	2.644 INCHES MINIMUM AND 2.654 INCHES MAXIMUM IN
END SIMILARITY	IDENTICAL
FIRST END HOLE DIAMETER	0.1400 INCHES MINIMUM AND 0.1430 INCHES MAXIMUM 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

Demilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is 6512-51-121-4101?

6512-51-121-4101 is a SHAFT,SHOULDERED.

What is the NSN for 6512-51-121-4101?

6512-51-121-4101 is cataloged in the U.S. Government catalog under NSN 3040-01-125-6925. This indicates validated use in U.S. government and defense supply chains.

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6512-51-121-4101 — SHAFT,SHOULDERED

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