Seat, Valve4820-01-442-0151

NSN 4820-01-442-0151 · NIIN 014420151 · Part number 0903-01-4

Ashland Inc. Dba Ashland Water Technologies · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 52454

Government record, cited

NSN 4820-01-442-0151 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-442-0151. Manufacturer of record part number: 0903-01-4.

Also searched as 4820-01-442-0151 · 4820014420151 · NIIN 014420151 · 01-442-0151 · FSC 4820 Valves, Nonpowered · CAGE 52454 · 0903-01-4

Nearby stock numbers ← 4820-01-442-0045 Ball, Check · 4820-01-442-0153 Valve, Check →

4820-01-442-0151 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Ashland Inc. Dba Ashland Water Technologies

Identification

NSN: 4820-01-442-0151
NIIN: 014420151
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 0903-01-4
Manufacturer: Ashland Inc. Dba Ashland Water Technologies

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-442-0151, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ashland Inc. Dba Ashland Water Technologies. 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	4820-01-442-0151
Primary Part Number	0903-01-4
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Ashland Inc. Dba Ashland Water Technologies
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
0903-01-4 PRIMARY	Ashland Inc. Dba Ashland Water Technologies (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 4820-01-442-0151?

NSN 4820-01-442-0151 is a Seat,valve, manufactured by Ashland Inc. Dba Ashland Water Technologies, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-442-0151?

NSN 4820-01-442-0151 has 1 manufacturer part number on file: 0903-01-4 (Ashland Inc. Dba Ashland Water Technologies).

What are the specifications of 0903-01-4?

Key specifications for 0903-01-4: Special Features: APPL.SAFETY RELIEF VALVE; End Item Identification: SERIES 200 POLYTANK SIMPLEX PUMP;DREW CHEMICAL CORP,P/N 0954017;STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-442-0151 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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