PartsTable TECHNICAL DATA SHEET

NSN 4820-01-285-3570Government record, cited

Stem, Fluid Valve4820-01-285-3570

NSN 4820-01-285-3570 · NIIN 012853570 · Part number 20141

Flowserve Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 63220

Government record, cited

NSN 4820-01-285-3570 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-285-3570. Manufacturer of record part number: 20141.

Also searched as 4820-01-285-3570 · 4820012853570 · NIIN 012853570 · 01-285-3570 · FSC 4820 Valves, Nonpowered · CAGE 63220 · 20141 · F-6663 ITEM 13 · F-6663

Nearby stock numbers ← 4820-01-285-3569 Stem, Fluid Valve · 4820-01-285-3575 Slide, Directional Control Linear →

4820-01-285-3570 — Valves, Nonpowered

Features

Stem,fluid Valve — FSC 4820
Material: STEEL CORROSION RESISTING
2 manufacturer part numbers on file
Manufacturer of record: Flowserve Inc

Identification

NSN: 4820-01-285-3570
NIIN: 012853570
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 20141
Manufacturer: Flowserve Inc

General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-285-3570, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Flowserve Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-285-3570
Primary Part Number	20141
Item Name	Stem,fluid Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Flowserve Inc
Status	ACTIVE
Material	STEEL CORROSION RESISTING

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
20141 PRIMARY	Flowserve Inc (USA)
F-6663 ITEM 13	Flowserve Inc (USA)

Reference documents

Reference	Meaning
F-6663	D/9 Drawing number reference only Flowserve 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 4820-01-285-3570?

NSN 4820-01-285-3570 is a Stem,fluid Valve, manufactured by Flowserve Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-285-3570?

NSN 4820-01-285-3570 has 2 manufacturer part numbers on file: 20141 (Flowserve Inc), F-6663 ITEM 13 (Flowserve Inc).

What are the specifications of 20141?

Key specifications for 20141: Material: STEEL CORROSION RESISTING. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-285-3570 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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