PartsTable TECHNICAL DATA SHEET

NSN 4820-01-033-5097Government record, cited

Seat, Valve4820-01-033-5097

NSN 4820-01-033-5097 · NIIN 010335097 · Part number 001-03-26-0018-0377

Leslie Controls, Inc. Dba Leslie Controls Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 35795

Government record, cited

NSN 4820-01-033-5097 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-033-5097. Manufacturer of record part number: 001-03-26-0018-0377.

Also searched as 4820-01-033-5097 · 4820010335097 · NIIN 010335097 · 01-033-5097 · FSC 4820 Valves, Nonpowered · CAGE 35795 · 001-03-26-0018-0377 · 198-24-69PC21 · 198-24-71PC21 · 001-03-26-0018

Nearby stock numbers ← 4820-01-033-4964 Cover, Relief Valve · 4820-01-033-5098 Stem, Fluid Valve →

4820-01-033-5097 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Flange Seat to Disk End Height: 0.235 INCHES NOMINAL IN
Flange Diameter: 2.625 INCHES NOMINAL IN
Body Outside Diameter: 2.125 INCHES NOMINAL IN
Style Designator: PLAIN FLANGED
Body Inside Diameter: 0.082 INCHES NOMINAL IN
Under Flange Height: 0.270 INCHES NOMINAL IN
Material: ALUMINUM OVERALL

Identification

NSN: 4820-01-033-5097
NIIN: 010335097
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 001-03-26-0018-0377
Manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-033-5097, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-033-5097
Primary Part Number	001-03-26-0018-0377
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Leslie Controls, Inc. Dba Leslie Controls Inc
Status	ACTIVE
Flange Seat to Disk End Height	0.235 INCHES NOMINAL IN
Flange Diameter	2.625 INCHES NOMINAL IN
Body Outside Diameter	2.125 INCHES NOMINAL IN
Style Designator	PLAIN FLANGED
Body Inside Diameter	0.082 INCHES NOMINAL IN
Under Flange Height	0.270 INCHES NOMINAL IN
Material	ALUMINUM OVERALL
Seat Angle in Deg	42.000 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
001-03-26-0018-0377 PRIMARY	Leslie Controls, Inc. Dba Leslie Controls Inc (USA)

Reference documents

Reference	Meaning
198-24-69PC21	5/9 Secondary reference Circor Intl Inc
001-03-26-0018-0377	5/9 Secondary reference Circor Intl Inc
198-24-71PC21	5/9 Secondary reference Circor Intl Inc
001-03-26-0018	5/9 Secondary reference Circor Intl 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 4820-01-033-5097?

NSN 4820-01-033-5097 is a Seat,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-033-5097?

NSN 4820-01-033-5097 has 1 manufacturer part number on file: 001-03-26-0018-0377 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What are the specifications of 001-03-26-0018-0377?

Key specifications for 001-03-26-0018-0377: Flange Seat to Disk End Height: 0.235 INCHES NOMINAL IN; Flange Diameter: 2.625 INCHES NOMINAL IN; Body Outside Diameter: 2.125 INCHES NOMINAL IN; Style Designator: PLAIN FLANGED. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-033-5097 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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