PartsTable TECHNICAL DATA SHEET

NSN 4820-01-616-1950Government record, cited

Module Assembly, Pressure Relief4820-01-616-1950

NSN 4820-01-616-1950 · NIIN 016161950 · Part number MCD2-SBT/51V

Duplomatic Ms Spa · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE A0761

Government record, cited

NSN 4820-01-616-1950 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-616-1950. Manufacturer of record part number: MCD2-SBT/51V.

Also searched as 4820-01-616-1950 · 4820016161950 · NIIN 016161950 · 01-616-1950 · FSC 4820 Valves, Nonpowered · CAGE A0761 · MCD2-SBT/51V · 043273 · 043273

Nearby stock numbers ← 4820-01-616-1868 Parts Kit, Ball Valve · 4820-01-616-1966 Valve, Safety Relief →

4820-01-616-1950 — Valves, Nonpowered

Features

Module Assembly,pressure Relief — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Duplomatic Ms Spa

Identification

NSN: 4820-01-616-1950
NIIN: 016161950
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: MCD2-SBT/51V
Manufacturer: Duplomatic Ms Spa

General Description

The Module Assembly,pressure Relief, cataloged under National Stock Number 4820-01-616-1950, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Duplomatic Ms Spa. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Module Assembly,pressure Relief
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Tld America Corporation Div Tld America (CAGE 6L481); Duplomatic Ms Spa (CAGE A0761)

Technical Specifications

Parameter	Value
NSN	4820-01-616-1950
Primary Part Number	MCD2-SBT/51V
Item Name	Module Assembly,pressure Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Duplomatic Ms Spa
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
043273	Tld America Corporation Div Tld America (USA)
MCD2-SBT/51V PRIMARY	Duplomatic Ms Spa (ITA)

Reference documents

Reference	Meaning
043273	5/9 Secondary reference Tld Canada Inc

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 4820-01-616-1950?

NSN 4820-01-616-1950 is a Module Assembly,pressure Relief, manufactured by Duplomatic Ms Spa, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-616-1950?

NSN 4820-01-616-1950 has 2 manufacturer part numbers on file: 043273 (Tld America Corporation Div Tld America), MCD2-SBT/51V (Duplomatic Ms Spa).

Is NSN 4820-01-616-1950 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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