Extension Shaft3040-01-389-4185

NSN 3040-01-389-4185 · NIIN 013894185 · Part number 020986F

Kovatch Corp. · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 59556

Government record, cited

NSN 3040-01-389-4185 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-389-4185. Manufacturer of record part number: 020986F.

Also searched as 3040-01-389-4185 · 3040013894185 · NIIN 013894185 · 01-389-4185 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 59556 · 020986F

Nearby stock numbers ← 3040-01-389-4157 Plate, Retaining, Shaft · 3040-01-389-4187 Control Assembly, Push-Pull →

Features

Extension Shaft — FSC 3040
Length: 1.500 INCHES NOMINAL IN
Internal Thread Length: 0.620 INCHES NOMINAL IN
Style Designator: THREADED SOCKET
Outside Diameter: 0.560 INCHES NOMINAL IN
External Thread Length: 0.500 INCHES NOMINAL IN
Shaft End Design: MALE AND FEMALE
Nominal Thread Size: 0.375 INCHES SOCKET EXTERNAL IN

Identification

NSN: 3040-01-389-4185
NIIN: 013894185
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 020986F
Manufacturer: Kovatch Corp.

General Description

The Extension Shaft, cataloged under National Stock Number 3040-01-389-4185, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Kovatch Corp.. Government technical data includes 14 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	3040-01-389-4185
Primary Part Number	020986F
Item Name	Extension Shaft
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	Kovatch Corp.
Status	ACTIVE
Length	1.500 INCHES NOMINAL IN
Internal Thread Length	0.620 INCHES NOMINAL IN
Style Designator	THREADED SOCKET
Outside Diameter	0.560 INCHES NOMINAL IN
External Thread Length	0.500 INCHES NOMINAL IN
Shaft End Design	MALE AND FEMALE
Nominal Thread Size	0.375 INCHES SOCKET EXTERNAL IN
Nominal Thread Size	0.375 INCHES SOCKET INTERNAL IN
Thread Quantity Per Inch	24 SOCKET EXTERNAL
Thread Quantity Per Inch	24 SOCKET INTERNAL
Material	COPPER ALLOY
Thread Series Designator	UNF SOCKET EXTERNAL
Thread Series Designator	UNF SOCKET INTERNAL
Shaft End Configuration	HEXAGON

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
020986F PRIMARY	Kovatch Corp. (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.

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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 3040-01-389-4185?

NSN 3040-01-389-4185 is a Extension Shaft, manufactured by Kovatch Corp., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-389-4185?

NSN 3040-01-389-4185 has 1 manufacturer part number on file: 020986F (Kovatch Corp.).

What are the specifications of 020986F?

Key specifications for 020986F: Length: 1.500 INCHES NOMINAL IN; Internal Thread Length: 0.620 INCHES NOMINAL IN; Style Designator: THREADED SOCKET; Outside Diameter: 0.560 INCHES NOMINAL IN. 14 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-389-4185 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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