PartsTable TECHNICAL DATA SHEET

NSN 4820-01-146-7060Government record, cited

Parts Kit, Check Valve4820-01-146-7060

NSN 4820-01-146-7060 · NIIN 011467060 · Part number NS-3981 ASSY B FIND18

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

Government record, cited

NSN 4820-01-146-7060 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-146-7060. Manufacturer of record part number: NS-3981 ASSY B FIND18.

Also searched as 4820-01-146-7060 · 4820011467060 · NIIN 011467060 · 01-146-7060 · FSC 4820 Valves, Nonpowered · CAGE 15187 · NS-3981 ASSY B FIND18 · NS3981ASSY B FI · NS-3981ASSYB FIND 18 · NS-3981

Nearby stock numbers ← 4820-01-146-7059 Parts Kit, Ball Valve · 4820-01-146-7378 Valve, Safety Relief →

4820-01-146-7060 — Valves, Nonpowered

Features

Parts Kit,check Valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

Identification

NSN: 4820-01-146-7060
NIIN: 011467060
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: NS-3981 ASSY B FIND18
Manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

General Description

The Parts Kit,check Valve, cataloged under National Stock Number 4820-01-146-7060, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Parts Kit,check Valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (CAGE 15187)

Technical Specifications

Parameter	Value
NSN	4820-01-146-7060
Primary Part Number	NS-3981 ASSY B FIND18
Item Name	Parts Kit,check Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
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

⇄ Related Items 4

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4820-01-191-8539NS-3981 ASSEMBLY E FIND 21 POSSIBLE MATCH

DISK,VALVE

Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

5340-01-210-4188 POSSIBLE MATCH

COVER,ACCESS

Possible match (shared part number)

4820-01-210-4345NS-3981,ASSY B, FIND 1, PC1 POSSIBLE MATCH

BODY,VALVE

Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

4820-01-217-470790034003 POSSIBLE MATCH

VALVE,CHECK

Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

Cross-Reference Index

Part Number	Manufacturer
NS-3981 ASSY B FIND18 PRIMARY	Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)

Reference documents

Reference	Meaning
NS3981ASSY B FI	C/1 Advisory reference — outside the item-of-supply concept National Oilwell
NS-3981ASSYB FIND 18	5/9 Secondary reference National Oilwell
NS-3981	D/9 Drawing number reference only National Oilwell

Related Parts

4820-01-191-8539POSSIBLE MATCH

DISK,VALVE

NS-3981 ASSEMBLY E FIND 21

5340-01-210-4188POSSIBLE MATCH

COVER,ACCESS

4820-01-210-4345POSSIBLE MATCH

BODY,VALVE

NS-3981,ASSY B, FIND 1, PC1

4820-01-217-4707POSSIBLE MATCH

VALVE,CHECK

90034003

Frequently Asked Questions

What is NSN 4820-01-146-7060?

NSN 4820-01-146-7060 is a Parts Kit,check 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 4820-01-146-7060?

NSN 4820-01-146-7060 has 1 manufacturer part number on file: NS-3981 ASSY B FIND18 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-01-146-7060?

4 possible matches (shared part number, not a government interchangeability claim): 4820-01-191-8539, 5340-01-210-4188, 4820-01-210-4345. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-146-7060 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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