Stem, Fluid Valve4820-01-033-8556

NSN 4820-01-033-8556 · NIIN 010338556 · Part number A9-7531-0-69

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

Government record, cited

NSN 4820-01-033-8556 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-033-8556. Manufacturer of record part number: A9-7531-0-69.

Also searched as 4820-01-033-8556 · 4820010338556 · NIIN 010338556 · 01-033-8556 · FSC 4820 Valves, Nonpowered · CAGE 57574 · A9-7531-0-69 · 73324PC3AND5

Nearby stock numbers ← 4820-01-033-8508 · 4820-01-033-8705 Valve, Regulating, Fluid Pressure →

4820-01-033-8556 — Valves, Nonpowered

Features

Stem,fluid Valve — FSC 4820
Furnished Items and Quantity: 1 DISK
Largest Outside Diameter: 0.750 INCHES NOMINAL IN
Stem Actuating End Type: THREADED EXTERNALLY
Valve Size for Which Designed: 2.500 INCHES IN
Material: STEEL
2 manufacturer part numbers on file
Manufacturer of record: Velan Valve Corp.

Identification

NSN: 4820-01-033-8556
NIIN: 010338556
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: A9-7531-0-69
Manufacturer: Velan Valve Corp.

General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-033-8556, 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-033-8556
Primary Part Number	A9-7531-0-69
Item Name	Stem,fluid Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Velan Valve Corp.
Status	ACTIVE
Furnished Items and Quantity	1 DISK
Largest Outside Diameter	0.750 INCHES NOMINAL IN
Stem Actuating End Type	THREADED EXTERNALLY
Valve Size for Which Designed	2.500 INCHES IN
Material	STEEL

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
73324PC3AND5	Velan Valve Corp. (USA)
A9-7531-0-69 PRIMARY	Velan Valve Corp. (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 4820-01-033-8556?

NSN 4820-01-033-8556 is a Stem,fluid Valve, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-033-8556?

NSN 4820-01-033-8556 has 2 manufacturer part numbers on file: 73324PC3AND5 (Velan Valve Corp.), A9-7531-0-69 (Velan Valve Corp.).

What are the specifications of A9-7531-0-69?

Key specifications for A9-7531-0-69: Furnished Items and Quantity: 1 DISK; Largest Outside Diameter: 0.750 INCHES NOMINAL IN; Stem Actuating End Type: THREADED EXTERNALLY; Overall Length: 10.000 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-033-8556 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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