Valve, Butterfly4820-01-461-0554

NSN 4820-01-461-0554 · NIIN 014610554 · Part number 2603502-1

Cosmodyne, Llc Dba Cosmodyne Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 11243

Government record, cited

NSN 4820-01-461-0554 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-461-0554. Manufacturer of record part number: 2603502-1.

Also searched as 4820-01-461-0554 · 4820014610554 · NIIN 014610554 · 01-461-0554 · FSC 4820 Valves, Nonpowered · CAGE 11243 · 2603502-1 · RE-014610554

Nearby stock numbers ← 4820-01-461-0521 Valve, Flow Control · 4820-01-461-0560 Seat, Valve →

4820-01-461-0554 — Valves, Nonpowered

Features

Valve,butterfly — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Cosmodyne, Llc Dba Cosmodyne Llc

Identification

NSN: 4820-01-461-0554
NIIN: 014610554
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 2603502-1
Manufacturer: Cosmodyne, Llc Dba Cosmodyne Llc

General Description

The Valve,butterfly, cataloged under National Stock Number 4820-01-461-0554, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cosmodyne, Llc Dba Cosmodyne Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-461-0554
Primary Part Number	2603502-1
Item Name	Valve,butterfly
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Cosmodyne, Llc Dba Cosmodyne Llc
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
RE-014610554	Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
2603502-1 PRIMARY	Cosmodyne, Llc Dba Cosmodyne Llc (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 4820-01-461-0554?

NSN 4820-01-461-0554 is a Valve,butterfly, manufactured by Cosmodyne, Llc Dba Cosmodyne Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-461-0554?

NSN 4820-01-461-0554 has 2 manufacturer part numbers on file: RE-014610554 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 2603502-1 (Cosmodyne, Llc Dba Cosmodyne Llc).

What are the specifications of 2603502-1?

Key specifications for 2603502-1: Special Features: NEXT HIGHER ASSY VALVE ASSY BU;CLEANED IAW MIL-STD-1330; End Item Identification: W/S CODE JA NIMITZ CLASS CVN. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-461-0554 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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