PartsTable TECHNICAL DATA SHEET

NSN 4820-01-426-2409Government record, cited

Disk, Valve4820-01-426-2409

NSN 4820-01-426-2409 · NIIN 014262409 · Part number 836640-100MM PN27 DISC

Andritz Naf Ab · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE A205N

Government record, cited

NSN 4820-01-426-2409 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-426-2409. Manufacturer of record part number: 836640-100MM PN27 DISC.

Also searched as 4820-01-426-2409 · 4820014262409 · NIIN 014262409 · 01-426-2409 · FSC 4820 Valves, Nonpowered · CAGE A205N · 836640-100MM PN27 DISC

Nearby stock numbers ← 4820-01-426-2408 Valve, Regulating, Fluid Pressure · 4820-01-426-2412 Valve, Ball →

4820-01-426-2409 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Andritz Naf Ab

Identification

NSN: 4820-01-426-2409
NIIN: 014262409
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 836640-100MM PN27 DISC
Manufacturer: Andritz Naf Ab

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-426-2409, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Andritz Naf Ab. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-426-2409
Primary Part Number	836640-100MM PN27 DISC
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Andritz Naf Ab
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
836640-100MM PN27 DISC PRIMARY	Andritz Naf Ab (SWE)

Reference documents

Reference	Meaning
836640-100MM PN27 DISC	3/9 Design control — primary reference Naf Ab

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 4820-01-426-2409?

NSN 4820-01-426-2409 is a Disk,valve, manufactured by Andritz Naf Ab, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-426-2409?

NSN 4820-01-426-2409 has 1 manufacturer part number on file: 836640-100MM PN27 DISC (Andritz Naf Ab).

What are the specifications of 836640-100MM PN27 DISC?

Key specifications for 836640-100MM PN27 DISC: Special Features: USED ON VALVE,GLOBE; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-426-2409 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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