PartsTable TECHNICAL DATA SHEET

NSN 4820-01-582-4535Government record, cited

Valve, Check4820-01-582-4535

NSN 4820-01-582-4535 · NIIN 015824535 · Part number KT-403W 1.500 IN

Nibco Inc Chemtrol Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 61623

Government record, cited

NSN 4820-01-582-4535 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-582-4535. Manufacturer of record part number: KT-403W 1.500 IN.

Also searched as 4820-01-582-4535 · 4820015824535 · NIIN 015824535 · 01-582-4535 · FSC 4820 Valves, Nonpowered · CAGE 61623 · KT-403W 1.500 IN

Nearby stock numbers ← 4820-01-582-4517 Valve, Ball · 4820-01-582-4599 Valve, Check →

4820-01-582-4535 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Flow Control Device: DISK
Style Designator: STRAIGHT THRU
Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Mounting Facility: THREADED FASTENER
Media for Which Designed: WATER, FRESH SINGLE RESPONSE
Material: COPPER ALLOY BODY
Nominal Thickness: 1.500 INCHES ALL ENDS IN

Identification

NSN: 4820-01-582-4535
NIIN: 015824535
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: KT-403W 1.500 IN
Manufacturer: Nibco Inc Chemtrol Div

General Description

The Valve,check, cataloged under National Stock Number 4820-01-582-4535, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Nibco Inc Chemtrol Div. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-582-4535
Primary Part Number	KT-403W 1.500 IN
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Nibco Inc Chemtrol Div
Status	ACTIVE
Flow Control Device	DISK
Style Designator	STRAIGHT THRU
Operating Pressure	200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Mounting Facility	THREADED FASTENER
Media for Which Designed	WATER, FRESH SINGLE RESPONSE
Material	COPPER ALLOY BODY
Nominal Thickness	1.500 INCHES ALL ENDS 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
KT-403W 1.500 IN PRIMARY	Nibco Inc Chemtrol Div (USA)

Reference documents

Reference	Meaning
KT-403W 1.500 IN	3/9 Design control — primary reference Nibco Inc

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 4820-01-582-4535?

NSN 4820-01-582-4535 is a Valve,check, manufactured by Nibco Inc Chemtrol Div, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-582-4535?

NSN 4820-01-582-4535 has 1 manufacturer part number on file: KT-403W 1.500 IN (Nibco Inc Chemtrol Div).

What are the specifications of KT-403W 1.500 IN?

Key specifications for KT-403W 1.500 IN: Flow Control Device: DISK; Style Designator: STRAIGHT THRU; Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Mounting Facility: THREADED FASTENER. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-582-4535 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