Selector Switch, Air4920-01-583-6591

NSN 4920-01-583-6591 · NIIN 015836591 · Part number 18104

Better Engineering Manufacturing Inc · FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment · CAGE 0KRW1

Government record, cited

NSN 4920-01-583-6591 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-583-6591. Manufacturer of record part number: 18104.

Also searched as 4920-01-583-6591 · 4920015836591 · NIIN 015836591 · 01-583-6591 · FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment · CAGE 0KRW1 · 18104

Nearby stock numbers ← 4920-01-583-6590 Overload, Aircraft, M · 4920-01-583-6592 Contactor, Aircraft, →

Features

Selector Switch,air — FSC 4920
1 manufacturer part number on file
Manufacturer of record: Better Engineering Manufacturing Inc

Identification

NSN: 4920-01-583-6591
NIIN: 015836591
FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
Primary part number: 18104
Manufacturer: Better Engineering Manufacturing Inc

General Description

The Selector Switch,air, cataloged under National Stock Number 4920-01-583-6591, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Better Engineering Manufacturing Inc. 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	Selector Switch,air
FSC / FSG	4920 — Aircraft Maintenance and Repair Shop Specialized Equipment (FSG 49)
Manufacturers	Better Engineering Manufacturing Inc (CAGE 0KRW1)

Technical Specifications

Parameter	Value
NSN	4920-01-583-6591
Primary Part Number	18104
Item Name	Selector Switch,air
FSC / FSG	4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment
Manufacturer	Better Engineering Manufacturing 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)

⇄ Related Items 1

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

9390-01-671-030918104 POSSIBLE MATCH

WICK

Possible match (shared part number)Consolidated Sewing Machine Corp

Cross-Reference Index

Part Number	Manufacturer
18104 PRIMARY	Better Engineering Manufacturing Inc (USA)

Related Parts

9390-01-671-0309POSSIBLE MATCH

WICK

18104

Frequently Asked Questions

What is NSN 4920-01-583-6591?

NSN 4920-01-583-6591 is a Selector Switch,air, manufactured by Better Engineering Manufacturing Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.

What part numbers are listed for NSN 4920-01-583-6591?

NSN 4920-01-583-6591 has 1 manufacturer part number on file: 18104 (Better Engineering Manufacturing Inc).

What NSN replaces 4920-01-583-6591?

1 possible match (shared part number, not a government interchangeability claim): 9390-01-671-0309. Verify interchangeability with system specifications before substitution.

Is NSN 4920-01-583-6591 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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