Coupling, Shaft, Rigid3010-01-346-1950

NSN 3010-01-346-1950 · NIIN 013461950

FSC 3010 — Torque Converters and Speed Changers · FSG 30 — Mechanical Power Transmission Equipment

Government record, cited

Also searched as 3010-01-346-1950 · 3010013461950 · NIIN 013461950 · 01-346-1950 · FSC 3010 Torque Converters and Speed Changers

Nearby stock numbers ← 3010-01-346-1949 Coupling, Shaft, Flexible · 3010-01-346-1951 Coupling, Shaft, Rigid →

Features

Coupling,shaft,rigid — FSC 3010
Spline Minor Diameter: 1.140 INCHES NOMINAL BOTH ENDS IN
Spline Type: STRAIGHT BOTH ENDS
Overall Diameter: 1.760 INCHES NOMINAL IN
Style Designator: PLAIN SLEEVE
Bore Shape: SPLINED BOTH ENDS
Spline Quantity: 14 BOTH ENDS
Body Material: STEEL

Identification

NSN: 3010-01-346-1950
NIIN: 013461950
FSC: 3010 — Torque Converters and Speed Changers
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-346-1950, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3010-01-346-1950
Item Name	Coupling,shaft,rigid
FSC / FSG	3010 / 30 — Torque Converters and Speed Changers
Status	ACTIVE
Spline Minor Diameter	1.140 INCHES NOMINAL BOTH ENDS IN
Spline Type	STRAIGHT BOTH ENDS
Overall Diameter	1.760 INCHES NOMINAL IN
Style Designator	PLAIN SLEEVE
Bore Shape	SPLINED BOTH ENDS
Spline Quantity	14 BOTH ENDS
Body Material	STEEL

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

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4920-01-616-548912-1002-01 POSSIBLE MATCH

TEST SET,ELECTRONIC SYSTEMS

Possible match (shared part number)Ultrax Aerospace Inc Dba Ultrax Aerospace Inc

Cross-Reference Index

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

Reference documents

Reference	Meaning
12100201	3/9 Design control — primary reference Fairfield Manufacturing Company, Inc. Dba Dana Fairfield

Related Parts

4920-01-616-5489POSSIBLE MATCH

TEST SET,ELECTRONIC SYSTEMS

12-1002-01

Frequently Asked Questions

What is NSN 3010-01-346-1950?

NSN 3010-01-346-1950 is a Coupling,shaft,rigid, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.

What NSN replaces 3010-01-346-1950?

1 possible match (shared part number, not a government interchangeability claim): 4920-01-616-5489. Verify interchangeability with system specifications before substitution.

What are the specifications of 3010-01-346-1950?

Key specifications for 3010-01-346-1950: Spline Minor Diameter: 1.140 INCHES NOMINAL BOTH ENDS IN; Spline Type: STRAIGHT BOTH ENDS; Overall Diameter: 1.760 INCHES NOMINAL IN; Style Designator: PLAIN SLEEVE. 7 specifications are documented in the U.S. Government catalog.

Is NSN 3010-01-346-1950 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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