Arm Neutral Lock3040-01-302-5578

NSN 3040-01-302-5578 · NIIN 013025578 · Part number 5190376

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 61208

Government record, cited

NSN 3040-01-302-5578 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-302-5578. Manufacturer of record part number: 5190376.

Also searched as 3040-01-302-5578 · 3040013025578 · NIIN 013025578 · 01-302-5578 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 61208 · 5190376

Nearby stock numbers ← 3040-01-302-5413 Accumulator, Hydraulic · 3040-01-302-5839 Shaft, Straight →

Features

Arm Neutral Lock — FSC 3040
1 manufacturer part number on file
Manufacturer of record: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic

Identification

NSN: 3040-01-302-5578
NIIN: 013025578
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 5190376
Manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic

General Description

The Arm Neutral Lock, cataloged under National Stock Number 3040-01-302-5578, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. 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	Arm Neutral Lock
FSC / FSG	3040 — Miscellaneous Power Transmission Equipment (FSG 30)
Manufacturers	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (CAGE 61208)

Technical Specifications

Parameter	Value
NSN	3040-01-302-5578
Primary Part Number	5190376
Item Name	Arm Neutral Lock
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
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.

3040-01-355-28045190376 POSSIBLE MATCH

COLLAR,SHAFT

Possible match (shared part number)Naval Sea Systems Command

Cross-Reference Index

Part Number	Manufacturer
5190376 PRIMARY	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)

Related Parts

3040-01-355-2804POSSIBLE MATCH

COLLAR,SHAFT

5190376

Frequently Asked Questions

What is NSN 3040-01-302-5578?

NSN 3040-01-302-5578 is a Arm Neutral Lock, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-302-5578?

NSN 3040-01-302-5578 has 1 manufacturer part number on file: 5190376 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).

What NSN replaces 3040-01-302-5578?

1 possible match (shared part number, not a government interchangeability claim): 3040-01-355-2804. Verify interchangeability with system specifications before substitution.

Is NSN 3040-01-302-5578 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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