Disk, Valve4820-01-625-1647

NSN 4820-01-625-1647 · NIIN 016251647 · Part number 8133-002-013-S

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

Government record, cited

NSN 4820-01-625-1647 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-625-1647. Manufacturer of record part number: 8133-002-013-S.

Also searched as 4820-01-625-1647 · 4820016251647 · NIIN 016251647 · 01-625-1647 · FSC 4820 Valves, Nonpowered · CAGE 57574 · 8133-002-013-S · 7840-108PC06C

Nearby stock numbers ← 4820-01-625-1643 Guide, Valve Stem · 4820-01-625-1649 Retainer, Disk, Valve →

4820-01-625-1647 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Shoulder Width: 0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Shoulder Height: 0.250 INCHES NOMINAL IN
Outside Diameter: 2.703 INCHES MINIMUM AND 2.708 INCHES MAXIMUM IN
Style Designator: PLUG
Seat Radius: 39.0 INCHES NOMINAL IN
Media for Which Designed: STEAM
Material: STEEL COMP 316

Identification

NSN: 4820-01-625-1647
NIIN: 016251647
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 8133-002-013-S
Manufacturer: Velan Valve Corp.

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-625-1647, 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 8 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	4820-01-625-1647
Primary Part Number	8133-002-013-S
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Velan Valve Corp.
Status	ACTIVE
Shoulder Width	0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Shoulder Height	0.250 INCHES NOMINAL IN
Outside Diameter	2.703 INCHES MINIMUM AND 2.708 INCHES MAXIMUM IN
Style Designator	PLUG
Seat Radius	39.0 INCHES NOMINAL IN
Media for Which Designed	STEAM
Material	STEEL COMP 316
Thread Series Designator	UN

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
7840-108PC06C	Velan Valve Corp. (USA)
8133-002-013-S 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 4820-01-625-1647?

NSN 4820-01-625-1647 is a Disk,valve, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-625-1647?

NSN 4820-01-625-1647 has 2 manufacturer part numbers on file: 7840-108PC06C (Velan Valve Corp.), 8133-002-013-S (Velan Valve Corp.).

What are the specifications of 8133-002-013-S?

Key specifications for 8133-002-013-S: Overall Height: 2.875 INCHES NOMINAL IN; Shoulder Width: 0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN; Shoulder Height: 0.250 INCHES NOMINAL IN; Outside Diameter: 2.703 INCHES MINIMUM AND 2.708 INCHES MAXIMUM IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-625-1647 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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