Disk, Valve4820-01-177-2504

NSN 4820-01-177-2504 · NIIN 011772504 · Part number 6303

Greno Industries, Inc. Dba Greno Industries Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 62654

Government record, cited

NSN 4820-01-177-2504 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-177-2504. Manufacturer of record part number: 6303.

Also searched as 4820-01-177-2504 · 4820011772504 · NIIN 011772504 · 01-177-2504 · FSC 4820 Valves, Nonpowered · CAGE 62654 · 6303 · 6350-1XX 3

Nearby stock numbers ← 4820-01-177-2421 Valve, Flow Control · 4820-01-177-3193 Valve, Check →

4820-01-177-2504 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Shank Diameter: 2.015 INCHES NOMINAL IN
Outside Diameter: 2.750 INCHES NOMINAL IN
Material: STEEL CORROSION RESISTING
2 manufacturer part numbers on file
Manufacturer of record: Greno Industries, Inc. Dba Greno Industries Inc

Identification

NSN: 4820-01-177-2504
NIIN: 011772504
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 6303
Manufacturer: Greno Industries, Inc. Dba Greno Industries Inc

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-177-2504, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Greno Industries, Inc. Dba Greno Industries Inc. Government technical data includes 3 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-177-2504
Primary Part Number	6303
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Greno Industries, Inc. Dba Greno Industries Inc
Status	ACTIVE
Shank Diameter	2.015 INCHES NOMINAL IN
Outside Diameter	2.750 INCHES NOMINAL IN
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
6350-1XX 3	Greno Industries, Inc. Dba Greno Industries Inc (USA)
6303 PRIMARY	Greno Industries, Inc. Dba Greno Industries Inc (USA)

Frequently Asked Questions

What is NSN 4820-01-177-2504?

NSN 4820-01-177-2504 is a Disk,valve, manufactured by Greno Industries, Inc. Dba Greno Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-177-2504?

NSN 4820-01-177-2504 has 2 manufacturer part numbers on file: 6350-1XX 3 (Greno Industries, Inc. Dba Greno Industries Inc), 6303 (Greno Industries, Inc. Dba Greno Industries Inc).

What are the specifications of 6303?

Key specifications for 6303: Shank Diameter: 2.015 INCHES NOMINAL IN; Overall Height: 1.825 INCHES NOMINAL IN; Outside Diameter: 2.750 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-177-2504 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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