PartsTable TECHNICAL DATA SHEET

NSN 4820-01-159-5964Government record, cited

Disk, Valve4820-01-159-5964

NSN 4820-01-159-5964 · NIIN 011595964

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-159-5964 · 4820011595964 · NIIN 011595964 · 01-159-5964 · FSC 4820 Valves, Nonpowered · 803-2177917 · 803-2177917-4-25 · 803-2177917-4-25

Nearby stock numbers ← 4820-01-159-5911 · 4820-01-159-5965 Disk, Valve →

4820-01-159-5964 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Pressure Rating: 250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Temp Rating: 150.0 FAHRENHEIT NOMINAL DEGF
Taper Minor Diameter: 1.446 INCHES NOMINAL IN
Style Designator: SOLID WEDGE
Taper Major Diameter: 2.285 INCHES NOMINAL IN
Seat Angle: 10.0 DEGREES NOMINAL
Taper Length: 4.812 INCHES NOMINAL IN

Identification

NSN: 4820-01-159-5964
NIIN: 011595964
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-159-5964, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-159-5964
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Pressure Rating	250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Temp Rating	150.0 FAHRENHEIT NOMINAL DEGF
Taper Minor Diameter	1.446 INCHES NOMINAL IN
Style Designator	SOLID WEDGE
Taper Major Diameter	2.285 INCHES NOMINAL IN
Seat Angle	10.0 DEGREES NOMINAL
Taper Length	4.812 INCHES NOMINAL IN
Media for Which Designed	LIQUID
Material	NICKEL ALLOY

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
803-2177917	D/9 Drawing number reference only U.S. Government activity
803-2177917-4-25	3/2 Design control — primary reference U.S. Government activity
803-2177917-4-25	5/9 Secondary reference Naval Sea Systems Command

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 4820-01-159-5964?

NSN 4820-01-159-5964 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-159-5964?

Key specifications for 4820-01-159-5964: Overall Height: 5.187 INCHES NOMINAL IN; Pressure Rating: 250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Temp Rating: 150.0 FAHRENHEIT NOMINAL DEGF; Taper Minor Diameter: 1.446 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-159-5964 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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