544-2681-002 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

544-2681-002: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: COPPER, end_similarity: IDENTICAL, overall_length: 0.557 INCHES NOMINAL IN, surface_finish: 32.0 MICROINCHES, first_end_style: INTERNAL THREADED, special_features: 1ST END THD SIZE 2-56UNC-2B;2ND END THD SIZE 4-40UNC-2B;LARGEST STEP IS HEXAGONAL,0.250 IN.ACROSS FLATS IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-700-2324, 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

544-2681-002

NSN: 3040-00-700-2324
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)

SPECIFICATIONS

material	COPPER
step_quantity	3
end_similarity	IDENTICAL
overall_length	0.557 INCHES NOMINAL IN
surface_finish	32.0 MICROINCHES
first_end_style	INTERNAL THREADED
special_features	1ST END THD SIZE 2-56UNC-2B;2ND END THD SIZE 4-40UNC-2B;LARGEST STEP IS HEXAGONAL,0.250 IN.ACROSS FLATS IN
first_end_diameter	0.1555 INCHES NOMINAL IN
largest_step_diameter	0.250 INCHES NOMINAL IN
first_end_internal_thread_length	0.1562 INCHES NOMINAL IN
material_document_and_classification	QQ-C-530,COND 1/2H FED SPEC SINGLE MATERIAL RESPONSE
NSN	3040-00-700-2324

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES

•

STEP QUANTITY: 3

•

FIRST END DIAMETER: 0.1555 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 0.250 INCHES NOMINAL IN

•

FIRST END STYLE: INTERNAL THREADED

•

FIRST END INTERNAL THREAD LENGTH: 0.1562 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-530,COND 1/2H FED SPEC SINGLE MATERIAL RESPONSE

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES
STEP QUANTITY	3
FIRST END DIAMETER	0.1555 INCHES NOMINAL IN
LARGEST STEP DIAMETER	0.250 INCHES NOMINAL IN
FIRST END STYLE	INTERNAL THREADED
FIRST END INTERNAL THREAD LENGTH	0.1562 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-530,COND 1/2H FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH	0.557 INCHES NOMINAL IN
END SIMILARITY	IDENTICAL
SPECIAL FEATURES	1ST END THD SIZE 2-56UNC-2B;2ND END THD SIZE 4-40UNC-2B;LARGEST STEP IS HEXAGONAL,0.250 IN.ACROSS FLATS 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 1

544-2681-002REVReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 544-2681-002?

544-2681-002 is a SHAFT,SHOULDERED.

What parts can replace 544-2681-002?

There is 1 known substitute for 544-2681-002: 544-2681-002REV. Substitute compatibility should be verified for your specific system.

What is the NSN for 544-2681-002?

544-2681-002 is cataloged in the U.S. Government catalog under NSN 3040-00-700-2324. This indicates validated use in U.S. government and defense supply chains.

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544-2681-002 — SHAFT,SHOULDERED

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