PartsTable TECHNICAL DATA SHEET

NSN 4820-01-421-3416Government record, cited

Disk, Valve4820-01-421-3416

NSN 4820-01-421-3416 · NIIN 014213416 · Part number 0020-H03-MC0250 PC 2

Anderson Greenwood Lp Dba Anderson Greenwood Crosby · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 01343

Government record, cited

NSN 4820-01-421-3416 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-421-3416. Manufacturer of record part number: 0020-H03-MC0250 PC 2.

Also searched as 4820-01-421-3416 · 4820014213416 · NIIN 014213416 · 01-421-3416 · FSC 4820 Valves, Nonpowered · CAGE 01343 · 0020-H03-MC0250 PC 2

Nearby stock numbers ← 4820-01-421-3415 Valve, Safety Relief · 4820-01-421-3417 Valve, Safety Relief →

4820-01-421-3416 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Pressure Rating: 300.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Temp Rating: 300.0 FAHRENHEIT NOMINAL DEGF
Media for Which Designed: LIQUID
Material: COPPER ALLOY
1 manufacturer part number on file
Manufacturer of record: Anderson Greenwood Lp Dba Anderson Greenwood Crosby

Identification

NSN: 4820-01-421-3416
NIIN: 014213416
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 0020-H03-MC0250 PC 2
Manufacturer: Anderson Greenwood Lp Dba Anderson Greenwood Crosby

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-421-3416, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 4 specifications, 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-421-3416
Primary Part Number	0020-H03-MC0250 PC 2
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Anderson Greenwood Lp Dba Anderson Greenwood Crosby
Status	ACTIVE
Pressure Rating	300.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Temp Rating	300.0 FAHRENHEIT NOMINAL DEGF
Media for Which Designed	LIQUID
Material	COPPER ALLOY

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
0020-H03-MC0250 PC 2 PRIMARY	Anderson Greenwood Lp Dba Anderson Greenwood Crosby (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 4820-01-421-3416?

NSN 4820-01-421-3416 is a Disk,valve, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-421-3416?

NSN 4820-01-421-3416 has 1 manufacturer part number on file: 0020-H03-MC0250 PC 2 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What are the specifications of 0020-H03-MC0250 PC 2?

Key specifications for 0020-H03-MC0250 PC 2: Pressure Rating: 300.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Temp Rating: 300.0 FAHRENHEIT NOMINAL DEGF; Media for Which Designed: LIQUID; End Item Identification: ANDERSON GREENWOOD AND CO SAFETY RELIEF VALVE MODEL NO. 20, SZ 2.000 IN.; STRATEGIC CONVERSION SHIPS CLASS IN. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-421-3416 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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