PartsTable TECHNICAL DATA SHEET

NSN 4240-01-655-6820Government record, cited

Filter Cover Assembly4240-01-655-6820

NSN 4240-01-655-6820 · NIIN 016556820 · Part number 808397-01

Avox Systems Inc Dba Avox Systems Inc · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 53655

Government record, cited

NSN 4240-01-655-6820 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-655-6820. Manufacturer of record part number: 808397-01.

Also searched as 4240-01-655-6820 · 4240016556820 · NIIN 016556820 · 01-655-6820 · FSC 4240 Safety and Rescue Equipment · CAGE 53655 · 808397-01 · 807847-02

Nearby stock numbers ← 4240-01-655-6789 Face Plate Assembly · 4240-01-655-6885 Protective Cover, Face Plate Seal →

Features

Filter Cover Assembly — FSC 4240
1 manufacturer part number on file
Manufacturer of record: Avox Systems Inc Dba Avox Systems Inc

Identification

NSN: 4240-01-655-6820
NIIN: 016556820
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 808397-01
Manufacturer: Avox Systems Inc Dba Avox Systems Inc

General Description

The Filter Cover Assembly, cataloged under National Stock Number 4240-01-655-6820, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Filter Cover Assembly
FSC / FSG	4240 — Safety and Rescue Equipment (FSG 42)
Manufacturers	Avox Systems Inc Dba Avox Systems Inc (CAGE 53655)

Technical Specifications

Parameter	Value
NSN	4240-01-655-6820
Primary Part Number	808397-01
Item Name	Filter Cover Assembly
FSC / FSG	4240 / 42 — Safety and Rescue Equipment
Manufacturer	Avox Systems Inc Dba Avox Systems Inc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
808397-01 PRIMARY	Avox Systems Inc Dba Avox Systems Inc (USA)

Reference documents

Reference	Meaning
807847-02	1/2 Source control — Government-approved source U.S. Government activity

No interchangeability data on file.

Other items in FSC 4240 — Safety and Rescue Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4240-00-001-1515

4240-00-001-1515 · Item name not on file

4240-00-001-2684

4240-00-001-2684 · Item name not on file

4240-00-006-0022

HOSE,EVACUATION

4240-00-007-4576

4240-00-007-4576 · Item name not on file

4240-00-007-8182

4240-00-007-8182 · Item name not on file

4240-00-007-8183

4240-00-007-8183 · Item name not on file

4240-00-007-8184

4240-00-007-8184 · Item name not on file

4240-00-007-8185

4240-00-007-8185 · Item name not on file

Frequently Asked Questions

What is NSN 4240-01-655-6820?

NSN 4240-01-655-6820 is a Filter Cover Assembly, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.

What part numbers are listed for NSN 4240-01-655-6820?

NSN 4240-01-655-6820 has 1 manufacturer part number on file: 808397-01 (Avox Systems Inc Dba Avox Systems Inc).

Is NSN 4240-01-655-6820 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). 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.

PartsTable Design LLC · partstable.com