PartsTable TECHNICAL DATA SHEET

NSN 3040-01-166-3553Government record, cited

Gearshaft Assembly3040-01-166-3553

NSN 3040-01-166-3553 · NIIN 011663553 · Part number 6898785

Allison Transmission Inc Dba Allison Transmission, Inc · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 73342

Government record, cited

NSN 3040-01-166-3553 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-166-3553. Manufacturer of record part number: 6898785.

Also searched as 3040-01-166-3553 · 3040011663553 · NIIN 011663553 · 01-166-3553 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 73342 · 6898785

Nearby stock numbers ← 3040-01-166-3552 · 3040-01-166-3570 Gearshaft, Spur →

Features

Gearshaft Assembly — FSC 3040
1 manufacturer part number on file
Manufacturer of record: Allison Transmission Inc Dba Allison Transmission, Inc

Identification

NSN: 3040-01-166-3553
NIIN: 011663553
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 6898785
Manufacturer: Allison Transmission Inc Dba Allison Transmission, Inc

General Description

The Gearshaft Assembly, cataloged under National Stock Number 3040-01-166-3553, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. 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	3040-01-166-3553
Primary Part Number	6898785
Item Name	Gearshaft Assembly
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	Allison Transmission Inc Dba Allison Transmission, Inc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL B — Remove Demilitarization Key Points
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	F

Cross-Reference Index

Part Number	Manufacturer
6898785 PRIMARY	Allison Transmission Inc Dba Allison Transmission, Inc (USA)

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 3040-01-166-3553?

NSN 3040-01-166-3553 is a Gearshaft Assembly, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-166-3553?

NSN 3040-01-166-3553 has 1 manufacturer part number on file: 6898785 (Allison Transmission Inc Dba Allison Transmission, Inc).

What are the specifications of 6898785?

Key specifications for 6898785: End Item Identification: OH-58D TURBINE ENGINE (T703-AD-700), ROTARY WING AIRCRAFT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-166-3553 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.

What is the DEMIL code for NSN 3040-01-166-3553?

NSN 3040-01-166-3553 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.

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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