542-6978-002 — COLLAR,SHAFT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

542-6978-002: COLLAR,SHAFT.

The COLLAR,SHAFT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2017, thickness: 0.182 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN, bore_diameter: 0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN, overall_length: 0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN, outside_diameter: 0.335 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN, style_designator: ROUND STEPPED. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-712-9960, 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

542-6978-002

NSN: 3040-00-712-9960
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 2017
thickness	0.182 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
bore_diameter	0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
overall_length	0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN
outside_diameter	0.335 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
style_designator	ROUND STEPPED
surface_treatment	ANODIZE
small_end_diameter	0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN
nominal_thread_size	0.086 INCHES SINGLE HOLE IN
securing_hole_quantity	4
largest_diameter_length	0.161 INCHES NOMINAL IN
securing_hole_type_and_location	THREADED SINGLE HOLE
NSN	3040-00-712-9960

COMPONENT DIAGRAM

KEY FEATURES

•

SECURING HOLE TYPE AND LOCATION: THREADED SINGLE HOLE

•

LARGEST DIAMETER LENGTH: 0.161 INCHES NOMINAL IN

•

STYLE DESIGNATOR: ROUND STEPPED

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/5, ALLOY 2017, T4 FED SPEC SINGLE MATERIAL RESPONSE

•

SCREW THREAD SERIES DESIGNATOR AND LOCATION: SINGLE HOLE UNIFIED NATIONAL COARSE (UNC)

•

OUTSIDE DIAMETER: 0.335 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN

•

NOMINAL THREAD SIZE: 0.086 INCHES SINGLE HOLE IN

TECHNICAL CHARACTERISTICS

SECURING HOLE TYPE AND LOCATION	THREADED SINGLE HOLE
LARGEST DIAMETER LENGTH	0.161 INCHES NOMINAL IN
STYLE DESIGNATOR	ROUND STEPPED
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/5, ALLOY 2017, T4 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH	0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN
SCREW THREAD SERIES DESIGNATOR AND LOCATION	SINGLE HOLE UNIFIED NATIONAL COARSE (UNC)
OUTSIDE DIAMETER	0.335 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
NOMINAL THREAD SIZE	0.086 INCHES SINGLE HOLE IN
ANGLE BETWEEN CENTERLINES OF SECURING HOLES IN DEG	90.0
SMALL END DIAMETER	0.213 INCHES MINIMUM AND 0.223 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 542-6978-002?

542-6978-002 is a COLLAR,SHAFT.

What is the NSN for 542-6978-002?

542-6978-002 is cataloged in the U.S. Government catalog under NSN 3040-00-712-9960. This indicates validated use in U.S. government and defense supply chains.

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542-6978-002 — COLLAR,SHAFT

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