Coupling, Shaft, Flexible3010-01-256-5389

NSN 3010-01-256-5389 · NIIN 012565389 · Part number L-225 R0UGH B0RE

Lovejoy, Llc Div Lovejoy · FSC 3010 — Torque Converters and Speed Changers · FSG 30 — Mechanical Power Transmission Equipment · CAGE 75665

Government record, cited

NSN 3010-01-256-5389 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-256-5389. Manufacturer of record part number: L-225 R0UGH B0RE.

Also searched as 3010-01-256-5389 · 3010012565389 · NIIN 012565389 · 01-256-5389 · FSC 3010 Torque Converters and Speed Changers · CAGE 75665 · L-225 R0UGH B0RE

Nearby stock numbers ← 3010-01-256-5144 Carrier, Gear, Closed · 3010-01-256-5465 →

Features

Coupling,shaft,flexible — FSC 3010
Bore Length: 2.5000 INCHES NOMINAL BOTH ENDS IN
Design Type: INSERT
Outside Diameter: 4.250 INCHES NOMINAL IN
Bore Shape: ROUGH STOCK BOTH ENDS
Bore Diameter: 2.3750 INCHES MAXIMUM BOTH ENDS IN
Insert Material: RUBBER SYNTHETIC
1 manufacturer part number on file

Identification

NSN: 3010-01-256-5389
NIIN: 012565389
FSC: 3010 — Torque Converters and Speed Changers
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: L-225 R0UGH B0RE
Manufacturer: Lovejoy, Llc Div Lovejoy

General Description

The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-256-5389, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lovejoy, Llc Div Lovejoy. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3010-01-256-5389
Primary Part Number	L-225 R0UGH B0RE
Item Name	Coupling,shaft,flexible
FSC / FSG	3010 / 30 — Torque Converters and Speed Changers
Manufacturer	Lovejoy, Llc Div Lovejoy
Status	ACTIVE
Bore Length	2.5000 INCHES NOMINAL BOTH ENDS IN
Design Type	INSERT
Outside Diameter	4.250 INCHES NOMINAL IN
Bore Shape	ROUGH STOCK BOTH ENDS
Bore Diameter	2.3750 INCHES MAXIMUM BOTH ENDS IN
Insert Material	RUBBER SYNTHETIC

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

Part Number	Manufacturer
L-225 R0UGH B0RE PRIMARY	Lovejoy, Llc Div Lovejoy (USA)

No interchangeability data on file.

Other items in FSC 3010 — Torque Converters and Speed Changers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3010-00-001-0013

3010-00-001-0013 · Item name not on file

3010-00-001-0067

3010-00-001-0067 · Item name not on file

3010-00-001-0069

3010-00-001-0069 · Item name not on file

3010-00-001-0095

3010-00-001-0095 · Item name not on file

3010-00-001-1239

3010-00-001-1239 · Item name not on file

3010-00-001-1689

3010-00-001-1689 · Item name not on file

3010-00-001-2168

3010-00-001-2168 · Item name not on file

3010-00-001-2173

3010-00-001-2173 · Item name not on file

Frequently Asked Questions

What is NSN 3010-01-256-5389?

NSN 3010-01-256-5389 is a Coupling,shaft,flexible, manufactured by Lovejoy, Llc Div Lovejoy, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.

What part numbers are listed for NSN 3010-01-256-5389?

NSN 3010-01-256-5389 has 1 manufacturer part number on file: L-225 R0UGH B0RE (Lovejoy, Llc Div Lovejoy).

What are the specifications of L-225 R0UGH B0RE?

Key specifications for L-225 R0UGH B0RE: Bore Length: 2.5000 INCHES NOMINAL BOTH ENDS IN; Design Type: INSERT; Overall Length: 6.000 INCHES NOMINAL IN; Outside Diameter: 4.250 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 3010-01-256-5389 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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