PartsTable TECHNICAL DATA SHEET

NSN 4820-01-191-6764Government record, cited

Disk, Valve4820-01-191-6764

NSN 4820-01-191-6764 · NIIN 011916764 · Part number 3757-003-069

Velan Valve Corp. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 57574

Government record, cited

NSN 4820-01-191-6764 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-191-6764. Manufacturer of record part number: 3757-003-069.

Also searched as 4820-01-191-6764 · 4820011916764 · NIIN 011916764 · 01-191-6764 · FSC 4820 Valves, Nonpowered · CAGE 57574 · 3757-003-069 · 6637-16-70 · 33764-1 · 33764-1 ITEM 9 2IN

Nearby stock numbers ← 4820-01-191-6750 Guide, Valve Stem · 4820-01-191-6765 Disk, Valve →

4820-01-191-6764 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Shank Diameter: 2.000 INCHES NOMINAL IN
Flange Diameter: 2.300 INCHES NOMINAL IN
Pressure Rating: 600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Style Designator: POPPET
Material: STEEL CORROSION RESISTING
2 manufacturer part numbers on file
Manufacturer of record: Velan Valve Corp.

Identification

NSN: 4820-01-191-6764
NIIN: 011916764
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 3757-003-069
Manufacturer: Velan Valve Corp.

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-191-6764, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-191-6764
Primary Part Number	3757-003-069
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Velan Valve Corp.
Status	ACTIVE
Shank Diameter	2.000 INCHES NOMINAL IN
Flange Diameter	2.300 INCHES NOMINAL IN
Pressure Rating	600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Style Designator	POPPET
Material	STEEL CORROSION RESISTING

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
3757-003-069 PRIMARY	Velan Valve Corp. (USA)
33764-1 ITEM 9 2IN	Velan Valve Corp. (USA)

Reference documents

Reference	Meaning
6637-16-70	C/1 Advisory reference — outside the item-of-supply concept Velan Valve Corp.
33764-1	D/9 Drawing number reference only Velan Valve Corp.

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 4820-01-191-6764?

NSN 4820-01-191-6764 is a Disk,valve, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-191-6764?

NSN 4820-01-191-6764 has 2 manufacturer part numbers on file: 3757-003-069 (Velan Valve Corp.), 33764-1 ITEM 9 2IN (Velan Valve Corp.).

What are the specifications of 3757-003-069?

Key specifications for 3757-003-069: Shank Diameter: 2.000 INCHES NOMINAL IN; Flange Diameter: 2.300 INCHES NOMINAL IN; Overall Height: 1.719 INCHES NOMINAL IN; Pressure Rating: 600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-191-6764 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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