Seat, Valve4820-00-983-6201

NSN 4820-00-983-6201 · NIIN 009836201 · Part number PXA40407

Siemens Water Technologies Corp. Div Wallace & Tiernan Products · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 79172

Government record, cited

NSN 4820-00-983-6201 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-983-6201. Manufacturer of record part number: PXA40407.

Also searched as 4820-00-983-6201 · 4820009836201 · NIIN 009836201 · 00-983-6201 · FSC 4820 Valves, Nonpowered · CAGE 79172 · PXA40407

Nearby stock numbers ← 4820-00-983-6199 · 4820-00-983-6216 →

4820-00-983-6201 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Flange Seat to Disk End Height: 0.125 INCHES NOMINAL IN
Flange Diameter: 0.500 INCHES NOMINAL IN
Body Outside Diameter: 0.406 INCHES NOMINAL IN
Style Designator: PLAIN FLANGED
Body Inside Diameter: 0.188 INCHES NOMINAL IN
Under Flange Height: 0.093 INCHES NOMINAL IN
Material: PLASTIC OVERALL

Identification

NSN: 4820-00-983-6201
NIIN: 009836201
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: PXA40407
Manufacturer: Siemens Water Technologies Corp. Div Wallace & Tiernan Products

General Description

The Seat,valve, cataloged under National Stock Number 4820-00-983-6201, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Siemens Water Technologies Corp. Div Wallace & Tiernan Products. Government technical data includes 9 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	4820-00-983-6201
Primary Part Number	PXA40407
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Siemens Water Technologies Corp. Div Wallace & Tiernan Products
Status	ACTIVE
Flange Seat to Disk End Height	0.125 INCHES NOMINAL IN
Flange Diameter	0.500 INCHES NOMINAL IN
Body Outside Diameter	0.406 INCHES NOMINAL IN
Style Designator	PLAIN FLANGED
Body Inside Diameter	0.188 INCHES NOMINAL IN
Under Flange Height	0.093 INCHES NOMINAL IN
Material	PLASTIC OVERALL
Seat Angle in Deg	45.000 NOMINAL
Seating Surface Shape	ANGULAR

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
PXA40407 PRIMARY	Siemens Water Technologies Corp. Div Wallace & Tiernan Products (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 4820-00-983-6201?

NSN 4820-00-983-6201 is a Seat,valve, manufactured by Siemens Water Technologies Corp. Div Wallace & Tiernan Products, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-00-983-6201?

NSN 4820-00-983-6201 has 1 manufacturer part number on file: PXA40407 (Siemens Water Technologies Corp. Div Wallace & Tiernan Products).

What are the specifications of PXA40407?

Key specifications for PXA40407: Flange Seat to Disk End Height: 0.125 INCHES NOMINAL IN; Flange Diameter: 0.500 INCHES NOMINAL IN; Body Outside Diameter: 0.406 INCHES NOMINAL IN; Style Designator: PLAIN FLANGED. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4820-00-983-6201 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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