Valve, Check4820-01-595-9146

NSN 4820-01-595-9146 · NIIN 015959146 · Part number 3335590

Engineered Machined Products Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 1HUX0

Government record, cited

NSN 4820-01-595-9146 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-595-9146. Manufacturer of record part number: 3335590.

Also searched as 4820-01-595-9146 · 4820015959146 · NIIN 015959146 · 01-595-9146 · FSC 4820 Valves, Nonpowered · CAGE 1HUX0 · 3335590

Nearby stock numbers ← 4820-01-595-9133 Nozzle, Valve · 4820-01-595-9162 Valve, Check →

4820-01-595-9146 — Valves, Nonpowered

Features

Valve,check — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Engineered Machined Products Inc

Identification

NSN: 4820-01-595-9146
NIIN: 015959146
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 3335590
Manufacturer: Engineered Machined Products Inc

General Description

The Valve,check, cataloged under National Stock Number 4820-01-595-9146, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Engineered Machined Products Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Valve,check
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Engineered Machined Products Inc (CAGE 1HUX0)

Technical Specifications

Parameter	Value
NSN	4820-01-595-9146
Primary Part Number	3335590
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Engineered Machined Products 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

Cross-Reference Index

Part Number	Manufacturer
3335590 PRIMARY	Engineered Machined Products Inc (USA)

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 4820-01-595-9146?

NSN 4820-01-595-9146 is a Valve,check, manufactured by Engineered Machined Products Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-595-9146?

NSN 4820-01-595-9146 has 1 manufacturer part number on file: 3335590 (Engineered Machined Products Inc).

Is NSN 4820-01-595-9146 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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