Collar, Shaft3040-01-290-4473

NSN 3040-01-290-4473 · NIIN 012904473

FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment

Government record, cited

Also searched as 3040-01-290-4473 · 3040012904473 · NIIN 012904473 · 01-290-4473 · FSC 3040 Miscellaneous Power Transmission Equipment · SSN593-520-186211 PIECE 14 · 1862110

Nearby stock numbers ← 3040-01-290-4400 Housing, Mechanical Drive · 3040-01-290-4482 Housing, Mechanical Drive →

Features

Collar,shaft — FSC 3040
Surface Finish: 63 MICROINCHES OVERALL
Securing Hole Type and Location: THREADED ALL HOLES
Style Designator: PLAIN ROUND
Material Document and Classification: MIL-B-24059 MIL SPEC SINGLE MATERIAL RESPONSE
Screw Thread Series Designator and Location: ALL HOLES UNIFIED NATIONAL COARSE (UNC)
Outside Diameter: 2.500 INCHES NOMINAL IN
Nominal Thread Size: 0.375 INCHES ALL HOLES IN

Identification

NSN: 3040-01-290-4473
NIIN: 012904473
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Collar,shaft, cataloged under National Stock Number 3040-01-290-4473, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3040-01-290-4473
Item Name	Collar,shaft
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Status	ACTIVE
Surface Finish	63 MICROINCHES OVERALL
Securing Hole Type and Location	THREADED ALL HOLES
Style Designator	PLAIN ROUND
Material Document and Classification	MIL-B-24059 MIL SPEC SINGLE MATERIAL RESPONSE
Screw Thread Series Designator and Location	ALL HOLES UNIFIED NATIONAL COARSE (UNC)
Outside Diameter	2.500 INCHES NOMINAL IN
Nominal Thread Size	0.375 INCHES ALL HOLES IN
Angle Between Centerlines of Securing Holes in Deg	180.0
Securing Hole Quantity	2
Bore Diameter	1.3750 INCHES NOMINAL IN
Material	COPPER ALLOY
Thickness	1.250 INCHES NOMINAL IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
SSN593-520-186211 PIECE 14	3/2 Design control — primary reference U.S. Government activity
1862110	D/9 Drawing number reference only U.S. Government activity

No interchangeability data on file.

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

3040-00-001-0046 · Item name not on file

3040-00-001-0047

3040-00-001-0047 · Item name not on file

3040-00-001-0048

3040-00-001-0048 · Item name not on file

3040-00-001-0068

3040-00-001-0068 · Item name not on file

3040-00-001-0077

3040-00-001-0077 · Item name not on file

3040-00-001-0078

3040-00-001-0078 · Item name not on file

3040-00-001-0089

3040-00-001-0089 · Item name not on file

3040-00-001-1224

3040-00-001-1224 · Item name not on file

Frequently Asked Questions

What is NSN 3040-01-290-4473?

NSN 3040-01-290-4473 is a Collar,shaft, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What are the specifications of 3040-01-290-4473?

Key specifications for 3040-01-290-4473: Surface Finish: 63 MICROINCHES OVERALL; Securing Hole Type and Location: THREADED ALL HOLES; Style Designator: PLAIN ROUND; Material Document and Classification: MIL-B-24059 MIL SPEC SINGLE MATERIAL RESPONSE. 12 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-290-4473 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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