8574931 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

8574931: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OR STEEL COMP 303SE, end_similarity: NOT IDENTICAL, overall_length: 2.531 INCHES NOMINAL IN, first_end_style: INTERNAL THREADED, second_end_style: TWO CIRCULAR GROOVES, first_end_diameter: 1.0000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-445-4621, 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

8574931

NSN: 3040-00-445-4621
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)

SPECIFICATIONS

material	STEEL COMP 303 OR STEEL COMP 303SE
step_quantity	9
end_similarity	NOT IDENTICAL
overall_length	2.531 INCHES NOMINAL IN
first_end_style	INTERNAL THREADED
second_end_style	TWO CIRCULAR GROOVES
special_features	FIRST SHOULDER OF SECOND END IS EXTERNALLY THREADED 20UNC-2A;SECOND SHOULDER OF SECOND END HAS 36 STRAIGHT SERRATIONS WITH PITCH DIA 0.36117 IN:MAJOR DIA 0.374 IN:MINOR DIA 0.350 IN A
first_end_diameter	1.0000 INCHES NOMINAL IN
second_end_diameter	0.3750 INCHES NOMINAL IN
largest_step_diameter	1.000 INCHES NOMINAL IN
second_end_groove_width	0.0625 INCHES NOMINAL IN
second_end_groove_diameter	0.3400 INCHES NOMINAL IN
NSN	3040-00-445-4621

COMPONENT DIAGRAM

KEY FEATURES

•

STEP QUANTITY: 9

•

FIRST END DIAMETER: 1.0000 INCHES NOMINAL IN

•

SECOND END DIAMETER: 0.3750 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 1.000 INCHES NOMINAL IN

•

FIRST END STYLE: INTERNAL THREADED

•

FIRST END INTERNAL THREAD LENGTH: 1.188 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-A582 NATIONAL SPEC ALL MATERIAL RESPONSES

TECHNICAL CHARACTERISTICS

STEP QUANTITY	9
FIRST END DIAMETER	1.0000 INCHES NOMINAL IN
SECOND END DIAMETER	0.3750 INCHES NOMINAL IN
LARGEST STEP DIAMETER	1.000 INCHES NOMINAL IN
FIRST END STYLE	INTERNAL THREADED
FIRST END INTERNAL THREAD LENGTH	1.188 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM-A582 NATIONAL SPEC ALL MATERIAL RESPONSES
OVERALL LENGTH	2.531 INCHES NOMINAL IN
SECOND END GROOVE DIAMETER	0.3400 INCHES NOMINAL IN
END SIMILARITY	NOT IDENTICAL

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 1

1240004454621Reference document

Same NSN cross-reference

Reference document — Informative reference only

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 8574931?

8574931 is a SHAFT,SHOULDERED.

What parts can replace 8574931?

There is 1 known substitute for 8574931: 1240004454621. Substitute compatibility should be verified for your specific system.

What is the NSN for 8574931?

8574931 is cataloged in the U.S. Government catalog under NSN 3040-00-445-4621. This indicates validated use in U.S. government and defense supply chains.

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8574931 — SHAFT,SHOULDERED

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