1770737 — COLLAR,SHAFT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

1770737: COLLAR,SHAFT.

The COLLAR,SHAFT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416, thickness: 0.250 INCHES NOMINAL IN, style_designator: ROUND W/SINGLE CHAMFER, nominal_thread_size: 0.138 INCHES THREAD IN, chamfer_angle_in_deg: 45.0, largest_diameter_length: 0.215 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-402-9799, 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

1770737

NSN: 3040-00-402-9799
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

material	STEEL COMP 416
thickness	0.250 INCHES NOMINAL IN
style_designator	ROUND W/SINGLE CHAMFER
nominal_thread_size	0.138 INCHES THREAD IN
chamfer_angle_in_deg	45.0
largest_diameter_length	0.215 INCHES NOMINAL IN
hole_diameter_and_location	0.0820 INCHES NOMINAL 2ND HOLE IN
securing_hole_type_and_location	THREADED 1ST HOLE AND UNTHREADED 2ND HOLE
material_document_and_classification	FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 416 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 51416 ASSN STD SINGLE MATERIAL RESPONSE
screw_thread_series_designator_and_location	1ST HOLE UNIFIED NATIONAL COARSE (UNC)
angle_between_centerlines_of_securing_holes_in_deg	90.0
NSN	3040-00-402-9799

COMPONENT DIAGRAM

KEY FEATURES

•

SECURING HOLE TYPE AND LOCATION: THREADED 1ST HOLE AND UNTHREADED 2ND HOLE

•

LARGEST DIAMETER LENGTH: 0.215 INCHES NOMINAL IN

•

STYLE DESIGNATOR: ROUND W/SINGLE CHAMFER

•

MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 416 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 51416 ASSN STD SINGLE MATERIAL RESPONSE

•

SCREW THREAD SERIES DESIGNATOR AND LOCATION: 1ST HOLE UNIFIED NATIONAL COARSE (UNC)

•

HOLE DIAMETER AND LOCATION: 0.0820 INCHES NOMINAL 2ND HOLE IN

•

NOMINAL THREAD SIZE: 0.138 INCHES THREAD IN

•

ANGLE BETWEEN CENTERLINES OF SECURING HOLES IN DEG: 90.0

TECHNICAL CHARACTERISTICS

SECURING HOLE TYPE AND LOCATION	THREADED 1ST HOLE AND UNTHREADED 2ND HOLE
LARGEST DIAMETER LENGTH	0.215 INCHES NOMINAL IN
STYLE DESIGNATOR	ROUND W/SINGLE CHAMFER
MATERIAL DOCUMENT AND CLASSIFICATION	FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 416 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 51416 ASSN STD SINGLE MATERIAL RESPONSE
SCREW THREAD SERIES DESIGNATOR AND LOCATION	1ST HOLE UNIFIED NATIONAL COARSE (UNC)
HOLE DIAMETER AND LOCATION	0.0820 INCHES NOMINAL 2ND HOLE IN
NOMINAL THREAD SIZE	0.138 INCHES THREAD IN
ANGLE BETWEEN CENTERLINES OF SECURING HOLES IN DEG	90.0
CHAMFER ANGLE IN DEG	45.0
MATERIAL	STEEL COMP 416

SUBSTITUTES & CROSS-REFERENCES 1

41-678Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 1770737?

1770737 is a COLLAR,SHAFT.

What parts can replace 1770737?

There is 1 known substitute for 1770737: 41-678. Substitute compatibility should be verified for your specific system.

What is the NSN for 1770737?

1770737 is cataloged in the U.S. Government catalog under NSN 3040-00-402-9799. This indicates validated use in U.S. government and defense supply chains.

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