Valve Assembly4820-01-478-0557

NSN 4820-01-478-0557 · NIIN 014780557 · Part number 7150032

Evac North America Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 47WD8

Government record, cited

NSN 4820-01-478-0557 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-478-0557. Manufacturer of record part number: 7150032.

Also searched as 4820-01-478-0557 · 4820014780557 · NIIN 014780557 · 01-478-0557 · FSC 4820 Valves, Nonpowered · CAGE 47WD8 · 7150032 · 7150032-001 · 7150032-001

Nearby stock numbers ← 4820-01-478-0493 Valve, Safety Relief · 4820-01-478-0683 Valve, Check →

4820-01-478-0557 — Valves, Nonpowered

Features

Valve Assembly — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Evac North America Inc

Identification

NSN: 4820-01-478-0557
NIIN: 014780557
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 7150032
Manufacturer: Evac North America Inc

General Description

The Valve Assembly, cataloged under National Stock Number 4820-01-478-0557, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Evac North America Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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	Valve Assembly
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Evac North America Inc (CAGE 47WD8)

Technical Specifications

Parameter	Value
NSN	4820-01-478-0557
Primary Part Number	7150032
Item Name	Valve Assembly
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Evac North America 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)
Criticality Code	X

⇄ Related Items 1

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

4310-01-677-15375700008 POSSIBLE MATCH

VALVE,REED

Possible match (shared part number)Evac North America Inc

Cross-Reference Index

Part Number	Manufacturer
7150032 PRIMARY	Evac North America Inc (USA)

Reference documents

Reference	Meaning
7150032-001	5/9 Secondary reference Evac North America Inc
7150032-001	5/9 Secondary reference Envirovac Inc Dba Monogram Systems-Rockford Div
7150032	5/9 Secondary reference Envirovac Inc Dba Monogram Systems-Rockford Div

Related Parts

4310-01-677-1537POSSIBLE MATCH

VALVE,REED

5700008

Frequently Asked Questions

What is NSN 4820-01-478-0557?

NSN 4820-01-478-0557 is a Valve Assembly, manufactured by Evac North America Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-478-0557?

NSN 4820-01-478-0557 has 1 manufacturer part number on file: 7150032 (Evac North America Inc).

What NSN replaces 4820-01-478-0557?

1 possible match (shared part number, not a government interchangeability claim): 4310-01-677-1537. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-478-0557 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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