PartsTable TECHNICAL DATA SHEET

NSN 4820-01-571-8746Government record, cited

Cover Plate, Valve4820-01-571-8746

NSN 4820-01-571-8746 · NIIN 015718746 · Part number 4057718

Draeger Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 6L622

Government record, cited

NSN 4820-01-571-8746 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-571-8746. Manufacturer of record part number: 4057718.

Also searched as 4820-01-571-8746 · 4820015718746 · NIIN 015718746 · 01-571-8746 · FSC 4820 Valves, Nonpowered · CAGE 6L622 · 4057718

Nearby stock numbers ← 4820-01-571-8555 Disk, Rupturable · 4820-01-571-8749 Valve-Hand, Bypass →

4820-01-571-8746 — Valves, Nonpowered

Features

Cover Plate,valve — FSC 4820
General Characteristics Item Description: CBRN COVER
1 manufacturer part number on file
Manufacturer of record: Draeger Inc

Identification

NSN: 4820-01-571-8746
NIIN: 015718746
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 4057718
Manufacturer: Draeger Inc

General Description

The Cover Plate,valve, cataloged under National Stock Number 4820-01-571-8746, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Draeger Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-571-8746
Primary Part Number	4057718
Item Name	Cover Plate,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Draeger Inc
Status	ACTIVE
General Characteristics Item Description	CBRN COVER

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL B — Remove Demilitarization Key Points
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
4057718 PRIMARY	Draeger Inc (USA)

Reference documents

Reference	Meaning
4057718	3/9 Design control — primary reference Draeger Safety, Inc.

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

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

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-571-8746?

NSN 4820-01-571-8746 is a Cover Plate,valve, manufactured by Draeger Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-571-8746?

NSN 4820-01-571-8746 has 1 manufacturer part number on file: 4057718 (Draeger Inc).

What are the specifications of 4057718?

Key specifications for 4057718: General Characteristics Item Description: CBRN COVER; Special Features: LIPPED EXHALATION VALVE COVER NOTCHED FOR BACOMM. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-571-8746 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.

What is the DEMIL code for NSN 4820-01-571-8746?

NSN 4820-01-571-8746 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.

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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