Stop Plate, Valve4820-01-066-9554

NSN 4820-01-066-9554 · NIIN 010669554 · Part number V-3408

Portland Valve Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 53154

Government record, cited

NSN 4820-01-066-9554 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-066-9554. Manufacturer of record part number: V-3408.

Also searched as 4820-01-066-9554 · 4820010669554 · NIIN 010669554 · 01-066-9554 · FSC 4820 Valves, Nonpowered · CAGE 53154 · V-3408 · V-3296 · V-3296 PC8

Nearby stock numbers ← 4820-01-066-9553 Element, Thermostat, Valve · 4820-01-066-9559 Disk, Valve →

4820-01-066-9554 — Valves, Nonpowered

Features

Stop Plate,valve — FSC 4820
General Characteristics Item Description: BRONZE MIL-M-16576 GRADE A;5.145 IN. O/A LG;5.073 IN. W;0.855 IN. O/A H;4 MTG HOLES 0.555 IN. DIA;1.000 IN. CENTER HOLE DIA IN
3 manufacturer part numbers on file
Manufacturer of record: Portland Valve Llc

Identification

NSN: 4820-01-066-9554
NIIN: 010669554
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: V-3408
Manufacturer: Portland Valve Llc

General Description

The Stop Plate,valve, cataloged under National Stock Number 4820-01-066-9554, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Portland Valve Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-066-9554
Primary Part Number	V-3408
Item Name	Stop Plate,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Portland Valve Llc
Status	ACTIVE
General Characteristics Item Description	BRONZE MIL-M-16576 GRADE A;5.145 IN. O/A LG;5.073 IN. W;0.855 IN. O/A H;4 MTG HOLES 0.555 IN. DIA;1.000 IN. CENTER HOLE DIA IN

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
V-3296 PC8	Tyco Fire Products Lp (USA)
V-3408 PRIMARY	Portland Valve Llc (USA)
V-3408 PRIMARY	Tyco Fire Products Lp (USA)

Reference documents

Reference	Meaning
V-3296	D/9 Drawing number reference only Tyco Fire Products Lp

Frequently Asked Questions

What is NSN 4820-01-066-9554?

NSN 4820-01-066-9554 is a Stop Plate,valve, manufactured by Portland Valve Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-066-9554?

NSN 4820-01-066-9554 has 3 manufacturer part numbers on file: V-3296 PC8 (Tyco Fire Products Lp), V-3408 (Portland Valve Llc), V-3408 (Tyco Fire Products Lp).

What are the specifications of V-3408?

Key specifications for V-3408: General Characteristics Item Description: BRONZE MIL-M-16576 GRADE A;5.145 IN. O/A LG;5.073 IN. W;0.855 IN. O/A H;4 MTG HOLES 0.555 IN. DIA;1.000 IN. CENTER HOLE DIA IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-066-9554 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.

PartsTable Design LLC · partstable.com