Valve, Vacuum Regulating4820-01-682-8196

NSN 4820-01-682-8196 · NIIN 016828196 · Part number B51343-21

Mirada Research & Manufacturing, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 08407

Government record, cited

NSN 4820-01-682-8196 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-682-8196. Manufacturer of record part number: B51343-21.

Also searched as 4820-01-682-8196 · 4820016828196 · NIIN 016828196 · 01-682-8196 · FSC 4820 Valves, Nonpowered · CAGE 08407 · B51343-21 · Z65230

Nearby stock numbers ← 4820-01-682-7541 Valve, Check · 4820-01-682-8223 Valve, Butterfly →

4820-01-682-8196 — Valves, Nonpowered

Features

Valve,vacuum Regulating — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Mirada Research & Manufacturing, Inc.

Identification

NSN: 4820-01-682-8196
NIIN: 016828196
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: B51343-21
Manufacturer: Mirada Research & Manufacturing, Inc.

General Description

The Valve,vacuum Regulating, cataloged under National Stock Number 4820-01-682-8196, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mirada Research & Manufacturing, Inc.. 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	4820-01-682-8196
Primary Part Number	B51343-21
Item Name	Valve,vacuum Regulating
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Mirada Research & Manufacturing, Inc.
Status	ACTIVE

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
Z65230	Zodiac Milpro International (FRA)
B51343-21 PRIMARY	Mirada Research & Manufacturing, Inc. (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 4820-01-682-8196?

NSN 4820-01-682-8196 is a Valve,vacuum Regulating, manufactured by Mirada Research & Manufacturing, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-682-8196?

NSN 4820-01-682-8196 has 2 manufacturer part numbers on file: Z65230 (Zodiac Milpro International), B51343-21 (Mirada Research & Manufacturing, Inc.).

What are the specifications of B51343-21?

Key specifications for B51343-21: Special Features: HIGH FLOW THREADED, FLANGE INTERFACE THREAD 1-1/16-12UN, OVERALL HEIGTH 1-11/32 IN, STANDOFF ABOVE FLANGE 5/8 IN, MATERIAL ANODIZED ALUMINUM, WRENCH HEX SIZE 1-3/8 IN, IN; Part Name Assigned by Controlling Agency: PRESSURE RELIEF VALVE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-682-8196 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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