Shaft, Splined3040-00-653-6537

NSN 3040-00-653-6537 · NIIN 006536537 · Part number 126664

Eaton Aerospace, Llc Dba Jackson South · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 62983

Government record, cited

NSN 3040-00-653-6537 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-653-6537. Manufacturer of record part number: 126664.

Also searched as 3040-00-653-6537 · 3040006536537 · NIIN 006536537 · 00-653-6537 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 62983 · 126664

Nearby stock numbers ← 3040-00-653-6470 · 3040-00-653-6758 →

Features

Shaft,splined — FSC 3040
1 manufacturer part number on file
Manufacturer of record: Eaton Aerospace, Llc Dba Jackson South

Identification

NSN: 3040-00-653-6537
NIIN: 006536537
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 126664
Manufacturer: Eaton Aerospace, Llc Dba Jackson South

General Description

The Shaft,splined, cataloged under National Stock Number 3040-00-653-6537, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Shaft,splined
FSC / FSG	3040 — Miscellaneous Power Transmission Equipment (FSG 30)
Manufacturers	Eaton Aerospace, Llc Dba Jackson South (CAGE 62983)

Technical Specifications

Parameter	Value
NSN	3040-00-653-6537
Primary Part Number	126664
Item Name	Shaft,splined
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	Eaton Aerospace, Llc Dba Jackson South
Status	ACTIVE

Lifecycle & Compliance

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

⇄ Related Items 1

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

4720-01-487-1947 POSSIBLE MATCH

TUBING,NONMETALLIC

Possible match (shared part number)

Cross-Reference Index

Part Number	Manufacturer
126664 PRIMARY	Eaton Aerospace, Llc Dba Jackson South (USA)

Related Parts

4720-01-487-1947POSSIBLE MATCH

TUBING,NONMETALLIC

Frequently Asked Questions

What is NSN 3040-00-653-6537?

NSN 3040-00-653-6537 is a Shaft,splined, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-00-653-6537?

NSN 3040-00-653-6537 has 1 manufacturer part number on file: 126664 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 3040-00-653-6537?

1 possible match (shared part number, not a government interchangeability claim): 4720-01-487-1947. Verify interchangeability with system specifications before substitution.

Is NSN 3040-00-653-6537 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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