PartsTable TECHNICAL DATA SHEET

NSN 4820-01-159-5966Government record, cited

Disk, Valve4820-01-159-5966

NSN 4820-01-159-5966 · NIIN 011595966 · Part number 205-5 1 1-4IN

F.c.kingston Co. Dba Storm Manufacturing · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 75336

Government record, cited

NSN 4820-01-159-5966 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-159-5966. Manufacturer of record part number: 205-5 1 1-4IN.

Also searched as 4820-01-159-5966 · 4820011595966 · NIIN 011595966 · 01-159-5966 · FSC 4820 Valves, Nonpowered · CAGE 75336 · 205-5 1 1-4IN

Nearby stock numbers ← 4820-01-159-5965 Disk, Valve · 4820-01-159-5967 Disk, Valve →

4820-01-159-5966 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Outside Diameter: 1.625 INCHES NOMINAL IN
Style Designator: PLAIN
Inside Diameter: 0.500 INCHES NOMINAL IN
Material: PLASTIC POLYCHLOROTRIFLUOROETHYLENE
1 manufacturer part number on file
Manufacturer of record: F.c.kingston Co. Dba Storm Manufacturing

Identification

NSN: 4820-01-159-5966
NIIN: 011595966
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 205-5 1 1-4IN
Manufacturer: F.c.kingston Co. Dba Storm Manufacturing

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-159-5966, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is F.c.kingston Co. Dba Storm Manufacturing. Government technical data includes 4 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	4820-01-159-5966
Primary Part Number	205-5 1 1-4IN
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	F.c.kingston Co. Dba Storm Manufacturing
Status	ACTIVE
Outside Diameter	1.625 INCHES NOMINAL IN
Style Designator	PLAIN
Inside Diameter	0.500 INCHES NOMINAL IN
Material	PLASTIC POLYCHLOROTRIFLUOROETHYLENE

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
205-5 1 1-4IN PRIMARY	F.c.kingston Co. Dba Storm Manufacturing (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 4820-01-159-5966?

NSN 4820-01-159-5966 is a Disk,valve, manufactured by F.c.kingston Co. Dba Storm Manufacturing, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-159-5966?

NSN 4820-01-159-5966 has 1 manufacturer part number on file: 205-5 1 1-4IN (F.c.kingston Co. Dba Storm Manufacturing).

What are the specifications of 205-5 1 1-4IN?

Key specifications for 205-5 1 1-4IN: Overall Height: 0.130 INCHES NOMINAL IN; Outside Diameter: 1.625 INCHES NOMINAL IN; Style Designator: PLAIN; Inside Diameter: 0.500 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-159-5966 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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