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NSN 4820-01-395-4591Government record, cited

Seat, Valve4820-01-395-4591

NSN 4820-01-395-4591 · NIIN 013954591 · Part number SA-2017-13 ITEM 8 COMP D 2-1/2IN

The Walworth Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 63686

Government record, cited

NSN 4820-01-395-4591 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-395-4591. Manufacturer of record part number: SA-2017-13 ITEM 8 COMP D 2-1/2IN.

Also searched as 4820-01-395-4591 · 4820013954591 · NIIN 013954591 · 01-395-4591 · FSC 4820 Valves, Nonpowered · CAGE 63686 · SA-2017-13 ITEM 8 COMP D 2-1/2IN

Nearby stock numbers ← 4820-01-395-4038 Valve, Check · 4820-01-395-4621 Gear Operator, Valve →

4820-01-395-4591 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Taper Minor Diameter: 1.285 INCHES NOMINAL IN
Taper Major Diameter: 1.731 INCHES NOMINAL IN
Body Inside Diameter: 2.125 INCHES NOMINAL IN
Material: STEEL BODY
Seat Angle in Deg: 5.000 NOMINAL
Seating Surface Shape: ANGULAR
1 manufacturer part number on file

Identification

NSN: 4820-01-395-4591
NIIN: 013954591
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: SA-2017-13 ITEM 8 COMP D 2-1/2IN
Manufacturer: The Walworth Company

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-395-4591, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Walworth Company. Government technical data includes 6 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	4820-01-395-4591
Primary Part Number	SA-2017-13 ITEM 8 COMP D 2-1/2IN
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	The Walworth Company
Status	ACTIVE
Taper Minor Diameter	1.285 INCHES NOMINAL IN
Taper Major Diameter	1.731 INCHES NOMINAL IN
Body Inside Diameter	2.125 INCHES NOMINAL IN
Material	STEEL BODY
Seat Angle in Deg	5.000 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
SA-2017-13 ITEM 8 COMP D 2-1/2IN PRIMARY	The Walworth Company (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 4820-01-395-4591?

NSN 4820-01-395-4591 is a Seat,valve, manufactured by The Walworth Company, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-395-4591?

NSN 4820-01-395-4591 has 1 manufacturer part number on file: SA-2017-13 ITEM 8 COMP D 2-1/2IN (The Walworth Company).

What are the specifications of SA-2017-13 ITEM 8 COMP D 2-1/2IN?

Key specifications for SA-2017-13 ITEM 8 COMP D 2-1/2IN: Taper Minor Diameter: 1.285 INCHES NOMINAL IN; Taper Major Diameter: 1.731 INCHES NOMINAL IN; Body Inside Diameter: 2.125 INCHES NOMINAL IN; Material: STEEL BODY. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-395-4591 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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