Cover Plate, Valve4810-01-599-2963

NSN 4810-01-599-2963 · NIIN 015992963 · Part number 21M-25

Metrex Valve Corp. Dba Metrex Valve Corp · FSC 4810 — Valves, Powered · FSG 48 — Valves · CAGE 21013

Government record, cited

NSN 4810-01-599-2963 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-599-2963. Manufacturer of record part number: 21M-25.

Also searched as 4810-01-599-2963 · 4810015992963 · NIIN 015992963 · 01-599-2963 · FSC 4810 Valves, Powered · CAGE 21013 · 21M-25

Nearby stock numbers ← 4810-01-599-2958 Valve, Solenoid · 4810-01-599-3004 Repair Kit, Valve →

4810-01-599-2963 — Valves, Powered

Features

Cover Plate,valve — FSC 4810
1 manufacturer part number on file
Manufacturer of record: Metrex Valve Corp. Dba Metrex Valve Corp

Identification

NSN: 4810-01-599-2963
NIIN: 015992963
FSC: 4810 — Valves, Powered
FSG: 48 — Valves
Primary part number: 21M-25
Manufacturer: Metrex Valve Corp. Dba Metrex Valve Corp

General Description

The Cover Plate,valve, cataloged under National Stock Number 4810-01-599-2963, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Metrex Valve Corp. Dba Metrex Valve Corp. 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	4810-01-599-2963
Primary Part Number	21M-25
Item Name	Cover Plate,valve
FSC / FSG	4810 / 48 — Valves, Powered
Manufacturer	Metrex Valve Corp. Dba Metrex Valve Corp
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
21M-25 PRIMARY	Metrex Valve Corp. Dba Metrex Valve Corp (USA)

No interchangeability data on file.

Other items in FSC 4810 — Valves, Powered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4810-00-001-1247

4810-00-001-1247 · Item name not on file

4810-00-001-4499

VALVE,SOLENOID

4810-00-001-4531

4810-00-001-4531 · Item name not on file

4810-00-001-4532

4810-00-001-4532 · Item name not on file

4810-00-001-4554

4810-00-001-4554 · Item name not on file

4810-00-001-4555

4810-00-001-4555 · Item name not on file

4810-00-001-4556

4810-00-001-4556 · Item name not on file

4810-00-001-4611

4810-00-001-4611 · Item name not on file

Frequently Asked Questions

What is NSN 4810-01-599-2963?

NSN 4810-01-599-2963 is a Cover Plate,valve, manufactured by Metrex Valve Corp. Dba Metrex Valve Corp, classified under FSC 4810, Valves, Powered. Status: active.

What part numbers are listed for NSN 4810-01-599-2963?

NSN 4810-01-599-2963 has 1 manufacturer part number on file: 21M-25 (Metrex Valve Corp. Dba Metrex Valve Corp).

What are the specifications of 21M-25?

Key specifications for 21M-25: Part Name Assigned by Controlling Agency: PLATE, MANUAL FLUSH; End Item Identification: 4" WATER REGULATING VALVE, MARINE SERVICE, PRES ACTUATED. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4810-01-599-2963 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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