Valve, Vacuum Breaking4820-01-527-0137

NSN 4820-01-527-0137 · NIIN 015270137 · Part number 385311581

Aquastar Distributors, Inc. Dba Aquastar Distributors Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 3KTU7

Government record, cited

NSN 4820-01-527-0137 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-527-0137. Manufacturer of record part number: 385311581.

Also searched as 4820-01-527-0137 · 4820015270137 · NIIN 015270137 · 01-527-0137 · FSC 4820 Valves, Nonpowered · CAGE 3KTU7 · 385311581

Nearby stock numbers ← 4820-01-527-0135 Parts Kit, Safety Relief Valve · 4820-01-527-0138 Valve, Check, Oxygen System →

4820-01-527-0137 — Valves, Nonpowered

Features

Valve,vacuum Breaking — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Aquastar Distributors, Inc. Dba Aquastar Distributors Inc

Identification

NSN: 4820-01-527-0137
NIIN: 015270137
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 385311581
Manufacturer: Aquastar Distributors, Inc. Dba Aquastar Distributors Inc

General Description

The Valve,vacuum Breaking, cataloged under National Stock Number 4820-01-527-0137, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Aquastar Distributors, Inc. Dba Aquastar Distributors 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.

Technical Specifications

Parameter	Value
NSN	4820-01-527-0137
Primary Part Number	385311581
Item Name	Valve,vacuum Breaking
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Aquastar Distributors, Inc. Dba Aquastar Distributors 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.

4820-01-654-6294385311581 POSSIBLE MATCH

VALVE,CHECK

Possible match (shared part number)Dometic Corporation Div Sealand Product Group

Cross-Reference Index

Part Number	Manufacturer
385311581 PRIMARY	Aquastar Distributors, Inc. Dba Aquastar Distributors Inc (USA)

Related Parts

4820-01-654-6294POSSIBLE MATCH

VALVE,CHECK

385311581

Frequently Asked Questions

What is NSN 4820-01-527-0137?

NSN 4820-01-527-0137 is a Valve,vacuum Breaking, manufactured by Aquastar Distributors, Inc. Dba Aquastar Distributors Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-527-0137?

NSN 4820-01-527-0137 has 1 manufacturer part number on file: 385311581 (Aquastar Distributors, Inc. Dba Aquastar Distributors Inc).

What NSN replaces 4820-01-527-0137?

1 possible match (shared part number, not a government interchangeability claim): 4820-01-654-6294. Verify interchangeability with system specifications before substitution.

What are the specifications of 385311581?

Key specifications for 385311581: End Item Identification: PUMP UNIT, VACUUM; P/N 75-MSA-328-1. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-527-0137 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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