Seat, Valve4820-01-396-5123

NSN 4820-01-396-5123 · NIIN 013965123 · Part number SN-405

Smith Eastern Corp Div Airverter · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 40811

Government record, cited

NSN 4820-01-396-5123 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-396-5123. Manufacturer of record part number: SN-405.

Also searched as 4820-01-396-5123 · 4820013965123 · NIIN 013965123 · 01-396-5123 · FSC 4820 Valves, Nonpowered · CAGE 40811 · SN-405

Nearby stock numbers ← 4820-01-396-5104 Valve, Safety Relief · 4820-01-396-5134 Seat, Valve →

4820-01-396-5123 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Style Designator: PLAIN
Material: ALUMINUM SEAT
1 manufacturer part number on file
Manufacturer of record: Smith Eastern Corp Div Airverter

Identification

NSN: 4820-01-396-5123
NIIN: 013965123
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: SN-405
Manufacturer: Smith Eastern Corp Div Airverter

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-396-5123, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Smith Eastern Corp Div Airverter. Government technical data includes 2 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	4820-01-396-5123
Primary Part Number	SN-405
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Smith Eastern Corp Div Airverter
Status	ACTIVE
Style Designator	PLAIN
Material	ALUMINUM SEAT

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
SN-405 PRIMARY	Smith Eastern Corp Div Airverter (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 4820-01-396-5123?

NSN 4820-01-396-5123 is a Seat,valve, manufactured by Smith Eastern Corp Div Airverter, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-396-5123?

NSN 4820-01-396-5123 has 1 manufacturer part number on file: SN-405 (Smith Eastern Corp Div Airverter).

What are the specifications of SN-405?

Key specifications for SN-405: Style Designator: PLAIN; Special Features: FOR SPRAY HEAD; End Item Identification: SMITH EASTERN CORP AIR VERTER MODEL NO. SN-026; Material: ALUMINUM SEAT. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-396-5123 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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