PartsTable TECHNICAL DATA SHEET

NSN 3010-01-123-4103Government record, cited

Coupling, Shaft, Rigid3010-01-123-4103

NSN 3010-01-123-4103 · NIIN 011234103

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

Government record, cited

Also searched as 3010-01-123-4103 · 3010011234103 · NIIN 011234103 · 01-123-4103 · FSC 3010 Torque Converters and Speed Changers · 709-4684922 ITEM 28 · 87832-1651 · 87832-1651 ITEM 28 · 709-4684922

Nearby stock numbers ← 3010-01-123-3994 · 3010-01-123-4871 Jet Assembly, Lubric →

Features

Coupling,shaft,rigid — FSC 3010
Bore Length: 1.0000 INCHES NOMINAL SECOND END IN
Bore Length: 0.8800 INCHES NOMINAL FIRST END IN
Overall Diameter: 1.000 INCHES NOMINAL IN
Style Designator: PLAIN SLEEVE
Material Document and Classification: QQ-S-763, CLASS 304, COND B FED SPEC SINGLE MATERIAL RESPONSE
Features Provided: KEYWAY
Bore Shape: STRAIGHT BOTH ENDS

Identification

NSN: 3010-01-123-4103
NIIN: 011234103
FSC: 3010 — Torque Converters and Speed Changers
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-123-4103, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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	3010-01-123-4103
Item Name	Coupling,shaft,rigid
FSC / FSG	3010 / 30 — Torque Converters and Speed Changers
Status	ACTIVE
Bore Length	1.0000 INCHES NOMINAL SECOND END IN
Bore Length	0.8800 INCHES NOMINAL FIRST END IN
Overall Diameter	1.000 INCHES NOMINAL IN
Style Designator	PLAIN SLEEVE
Material Document and Classification	QQ-S-763, CLASS 304, COND B FED SPEC SINGLE MATERIAL RESPONSE
Features Provided	KEYWAY
Bore Shape	STRAIGHT BOTH ENDS
Body Material	STEEL COMP 304
Unthreaded Hole Quantity	2
Bore Diameter	0.3750 INCHES NOMINAL SECOND END IN
Bore Diameter	0.5000 INCHES NOMINAL FIRST END IN
Hole Diameter	0.095 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

⇄ Related Items 7

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

3040-01-124-378987832-1651 ITEM 39 POSSIBLE MATCH

SHAFT,STRAIGHT

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

3010-01-124-392687832-1651 ITEM 30 POSSIBLE MATCH

COUPLING,SHAFT,RIGID

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

3040-01-151-5633709-4684922 ITEM 35 POSSIBLE MATCH

SHAFT,STRAIGHT

Possible match (shared part number)Naval Sea Systems Command

3040-01-152-3065709-4684922 ITEM 9 POSSIBLE MATCH

SHAFT,SHOULDERED

Possible match (shared part number)Naval Sea Systems Command

3040-01-154-637787832-1651 ITEM 11 POSSIBLE MATCH

SHAFT,SHOULDERED

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

3020-01-154-638087832-1651 ITEM 48 POSSIBLE MATCH

CHAIN,ROLLER

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

2520-01-155-802787832-1651 ITEM 31 POSSIBLE MATCH

UNIVERSAL JOINT,VEHICULAR

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

Cross-Reference Index

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

Reference documents

Reference	Meaning
709-4684922 ITEM 28	5/2 Secondary reference U.S. Government activity
87832-1651	D/9 Drawing number reference only U.S. Government activity
87832-1651 ITEM 28	3/2 Design control — primary reference U.S. Government activity
709-4684922	D/9 Drawing number reference only U.S. Government activity

Related Parts

3040-01-124-3789POSSIBLE MATCH

SHAFT,STRAIGHT

87832-1651 ITEM 39

3010-01-124-3926POSSIBLE MATCH

COUPLING,SHAFT,RIGID

87832-1651 ITEM 30

3040-01-151-5633POSSIBLE MATCH

SHAFT,STRAIGHT

709-4684922 ITEM 35

3040-01-152-3065POSSIBLE MATCH

SHAFT,SHOULDERED

709-4684922 ITEM 9

3040-01-154-6377POSSIBLE MATCH

SHAFT,SHOULDERED

87832-1651 ITEM 11

3020-01-154-6380POSSIBLE MATCH

CHAIN,ROLLER

87832-1651 ITEM 48

2520-01-155-8027POSSIBLE MATCH

UNIVERSAL JOINT,VEHICULAR

87832-1651 ITEM 31

Frequently Asked Questions

What is NSN 3010-01-123-4103?

NSN 3010-01-123-4103 is a Coupling,shaft,rigid, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.

What NSN replaces 3010-01-123-4103?

7 possible matches (shared part number, not a government interchangeability claim): 3040-01-124-3789, 3010-01-124-3926, 3040-01-151-5633. Verify interchangeability with system specifications before substitution.

What are the specifications of 3010-01-123-4103?

Key specifications for 3010-01-123-4103: Bore Length: 1.0000 INCHES NOMINAL SECOND END IN; Bore Length: 0.8800 INCHES NOMINAL FIRST END IN; Overall Diameter: 1.000 INCHES NOMINAL IN; Style Designator: PLAIN SLEEVE. 12 specifications are documented in the U.S. Government catalog.

Is NSN 3010-01-123-4103 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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