PartsTable TECHNICAL DATA SHEET

NSN 3040-01-421-1586Government record, cited

Shaft, Shouldered3040-01-421-1586

NSN 3040-01-421-1586 · NIIN 014211586 · Part number 8E4-4A12-001B

Mpc Products Corporation Dba Woodward Mpc, Inc. · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 19710

Government record, cited

NSN 3040-01-421-1586 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-421-1586. Manufacturer of record part number: 8E4-4A12-001B.

Also searched as 3040-01-421-1586 · 3040014211586 · NIIN 014211586 · 01-421-1586 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 19710 · 8E4-4A12-001B · 8E4-4A12-700L

Nearby stock numbers ← 3040-01-421-1585 Gearshaft, Spur · 3040-01-421-1587 Gearshaft, Spur →

Features

Shaft,shouldered — FSC 3040
1 manufacturer part number on file
Manufacturer of record: Mpc Products Corporation Dba Woodward Mpc, Inc.

Identification

NSN: 3040-01-421-1586
NIIN: 014211586
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 8E4-4A12-001B
Manufacturer: Mpc Products Corporation Dba Woodward Mpc, Inc.

General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-421-1586, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Mpc Products Corporation Dba Woodward Mpc, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3040-01-421-1586
Primary Part Number	8E4-4A12-001B
Item Name	Shaft,shouldered
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	Mpc Products Corporation Dba Woodward Mpc, Inc.
Status	ACTIVE

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
8E4-4A12-001B PRIMARY	Mpc Products Corporation Dba Woodward Mpc, Inc. (USA)

Reference documents

Reference	Meaning
8E4-4A12-700L	5/9 Secondary reference Mpc Products Corporation Dba Woodward Mpc, Inc.

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 3040-01-421-1586?

NSN 3040-01-421-1586 is a Shaft,shouldered, manufactured by Mpc Products Corporation Dba Woodward Mpc, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-421-1586?

NSN 3040-01-421-1586 has 1 manufacturer part number on file: 8E4-4A12-001B (Mpc Products Corporation Dba Woodward Mpc, Inc.).

What are the specifications of 8E4-4A12-001B?

Key specifications for 8E4-4A12-001B: Special Features: USED WITH ROTOR, DC, TORQUE MOTOR BRAKE; End Item Identification: WEAPONS SYSTEM AIRCRAFT, AIRLIFTER C-17A A. 0 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-421-1586 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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