PartsTable TECHNICAL DATA SHEET

NSN 3040-01-255-1685Government record, cited

Extension Shaft3040-01-255-1685

NSN 3040-01-255-1685 · NIIN 012551685 · Part number 959E418-001

Timken Gears & Services Inc. Div Philadelphia Gear · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 17454

Government record, cited

NSN 3040-01-255-1685 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-255-1685. Manufacturer of record part number: 959E418-001.

Also searched as 3040-01-255-1685 · 3040012551685 · NIIN 012551685 · 01-255-1685 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 17454 · 959E418-001 · 959E491-001 · 959E491-001

Nearby stock numbers ← 3040-01-255-1615 Connecting Link, Rigid · 3040-01-255-1786 Housing, Mechanical Drive →

Features

Extension Shaft — FSC 3040
Criticality Code Justification: FEAT
2 manufacturer part numbers on file
Manufacturer of record: Timken Gears & Services Inc. Div Philadelphia Gear

Identification

NSN: 3040-01-255-1685
NIIN: 012551685
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 959E418-001
Manufacturer: Timken Gears & Services Inc. Div Philadelphia Gear

General Description

The Extension Shaft, cataloged under National Stock Number 3040-01-255-1685, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Timken Gears & Services Inc. Div Philadelphia Gear. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	3040-01-255-1685
Primary Part Number	959E418-001
Item Name	Extension Shaft
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	Timken Gears & Services Inc. Div Philadelphia Gear
Status	ACTIVE
Criticality Code Justification	FEAT

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
959E418-001 PRIMARY	Timken Gears & Services Inc. Div Philadelphia Gear (USA)
959E491-001	Timken Gears & Services Inc. Div Philadelphia Gear (USA)

Reference documents

Reference	Meaning
959E418-001	5/9 Secondary reference General Electric Company
959E491-001	5/9 Secondary reference General Electric Company

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 3040-01-255-1685?

NSN 3040-01-255-1685 is a Extension Shaft, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-255-1685?

NSN 3040-01-255-1685 has 2 manufacturer part numbers on file: 959E418-001 (Timken Gears & Services Inc. Div Philadelphia Gear), 959E491-001 (Timken Gears & Services Inc. Div Philadelphia Gear).

What are the specifications of 959E418-001?

Key specifications for 959E418-001: Criticality Code Justification: FEAT; Special Features: EOD TOOLS/EQUIPMENT. 1 specification is documented in the U.S. Government catalog.

Is NSN 3040-01-255-1685 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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