7979030 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

7979030: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include end_similarity: NOT IDENTICAL, overall_length: 21.907 INCHES MINIMUM AND 21.969 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES, first_end_style: UNTHREADED CROSS DRILLED, second_end_style: CIRCULAR GROOVED AND FLAT KEYWAY, first_end_diameter: 0.9980 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-125-0432, 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

7979030

NSN: 3040-01-125-0432
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

step_quantity	2
end_similarity	NOT IDENTICAL
overall_length	21.907 INCHES MINIMUM AND 21.969 INCHES MAXIMUM IN
surface_finish	63.0 MICROINCHES
first_end_style	UNTHREADED CROSS DRILLED
second_end_style	CIRCULAR GROOVED AND FLAT KEYWAY
special_features	SECOND END HAS ONE ADDITIONAL SHALLOW FLAT KEYWAY LOC ON TOP OF DP KEYWAY,0.188/0.189 IN. KEYWAY W,1.750 IN. EXT KEYWAY LG,0.097 IN. KEYWAY DP IN
first_end_diameter	0.9980 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
second_end_diameter	0.8110 INCHES MINIMUM AND 0.8130 INCHES MAXIMUM IN
largest_step_diameter	0.998 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
external_keyway_length	5.062 INCHES NOMINAL SECOND END IN
first_end_hole_diameter	0.3910 INCHES MINIMUM AND 0.4060 INCHES MAXIMUM IN
NSN	3040-01-125-0432

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 63.0 MICROINCHES

•

STEP QUANTITY: 2

•

FIRST END DIAMETER: 0.9980 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN

•

SECOND END DIAMETER: 0.8110 INCHES MINIMUM AND 0.8130 INCHES MAXIMUM IN

•

LARGEST STEP DIAMETER: 0.998 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN

•

FIRST END STYLE: UNTHREADED CROSS DRILLED

•

SECOND END KEYWAY WIDTH: 0.1350 INCHES MINIMUM AND 0.1400 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC ALL MATERIAL RESPONSES

TECHNICAL CHARACTERISTICS

SURFACE FINISH	63.0 MICROINCHES
STEP QUANTITY	2
FIRST END DIAMETER	0.9980 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
SECOND END DIAMETER	0.8110 INCHES MINIMUM AND 0.8130 INCHES MAXIMUM IN
LARGEST STEP DIAMETER	0.998 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
FIRST END STYLE	UNTHREADED CROSS DRILLED
SECOND END KEYWAY WIDTH	0.1350 INCHES MINIMUM AND 0.1400 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-633 FED SPEC ALL MATERIAL RESPONSES
OVERALL LENGTH	21.907 INCHES MINIMUM AND 21.969 INCHES MAXIMUM IN
SECOND END GROOVE DIAMETER	0.7590 INCHES MINIMUM AND 0.7650 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

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 7979030?

7979030 is a SHAFT,SHOULDERED.

What is the NSN for 7979030?

7979030 is cataloged in the U.S. Government catalog under NSN 3040-01-125-0432. This indicates validated use in U.S. government and defense supply chains.

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7979030 — SHAFT,SHOULDERED

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