Relay Base, Aircraft4920-01-583-6640

NSN 4920-01-583-6640 · NIIN 015836640 · Part number 00417

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 4920-01-583-6640 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-583-6640. Manufacturer of record part number: 00417.

Also searched as 4920-01-583-6640 · 4920015836640 · NIIN 015836640 · 01-583-6640 · FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment · CAGE 0KRW1 · 00417

Nearby stock numbers ← 4920-01-583-6639 Control Transformer · 4920-01-583-6641 Hi Temp Hose, Aircra →

Features

Relay Base,aircraft — FSC 4920
1 manufacturer part number on file
Manufacturer of record: Better Engineering Manufacturing Inc

Identification

NSN: 4920-01-583-6640
NIIN: 015836640
FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
Primary part number: 00417
Manufacturer: Better Engineering Manufacturing Inc

General Description

The Relay Base,aircraft, cataloged under National Stock Number 4920-01-583-6640, 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	Relay Base,aircraft
FSC / FSG	4920 — Aircraft Maintenance and Repair Shop Specialized Equipment (FSG 49)
Manufacturers	Better Engineering Manufacturing Inc (CAGE 0KRW1)

Technical Specifications

Parameter	Value
NSN	4920-01-583-6640
Primary Part Number	00417
Item Name	Relay Base,aircraft
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.

8465-01-617-473800417 POSSIBLE MATCH

POCKET AMMUNITION MAGAZINE,VEST

Possible match (shared part number)Illinois Tool Works Inc. Dba Itw Nexus Div Nexus

Cross-Reference Index

Part Number	Manufacturer
00417 PRIMARY	Better Engineering Manufacturing Inc (USA)

Related Parts

8465-01-617-4738POSSIBLE MATCH

POCKET AMMUNITION MAGAZINE,VEST

00417

Frequently Asked Questions

What is NSN 4920-01-583-6640?

NSN 4920-01-583-6640 is a Relay Base,aircraft, 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 4920-01-583-6640?

NSN 4920-01-583-6640 has 1 manufacturer part number on file: 00417 (Better Engineering Manufacturing Inc).

What NSN replaces 4920-01-583-6640?

1 possible match (shared part number, not a government interchangeability claim): 8465-01-617-4738. Verify interchangeability with system specifications before substitution.

Is NSN 4920-01-583-6640 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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