PartsTable TECHNICAL DATA SHEET

NSN 4820-01-442-8678Government record, cited

Disk, Valve4820-01-442-8678

NSN 4820-01-442-8678 · NIIN 014428678 · Part number A7911.003.000

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 15187

Government record, cited

NSN 4820-01-442-8678 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-442-8678. Manufacturer of record part number: A7911.003.000.

Also searched as 4820-01-442-8678 · 4820014428678 · NIIN 014428678 · 01-442-8678 · FSC 4820 Valves, Nonpowered · CAGE 15187 · A7911.003.000

Nearby stock numbers ← 4820-01-442-8656 Valve, Safety Relief · 4820-01-442-8719 Regulator, Thermostatic Temperatu →

4820-01-442-8678 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Material: NICKEL ALLOY
1 manufacturer part number on file
Manufacturer of record: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

Identification

NSN: 4820-01-442-8678
NIIN: 014428678
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: A7911.003.000
Manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-442-8678, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-442-8678
Primary Part Number	A7911.003.000
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Status	ACTIVE
Material	NICKEL 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
A7911.003.000 PRIMARY	Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)

Reference documents

Reference	Meaning
A7911.003.000	5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby

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 4820-01-442-8678?

NSN 4820-01-442-8678 is a Disk,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-442-8678?

NSN 4820-01-442-8678 has 1 manufacturer part number on file: A7911.003.000 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What are the specifications of A7911.003.000?

Key specifications for A7911.003.000: End Item Identification: ANDERSON GREENWOOD AND CO SAFETY RELIEF VALVE MODEL NO. 1751T; Material: NICKEL ALLOY. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-442-8678 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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