Valve, Safety Relief4820-01-561-2082

NSN 4820-01-561-2082 · NIIN 015612082 · Part number 305-057

Kirby Morgan Dive Systems Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 58366

Government record, cited

NSN 4820-01-561-2082 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-561-2082. Manufacturer of record part number: 305-057.

Also searched as 4820-01-561-2082 · 4820015612082 · NIIN 015612082 · 01-561-2082 · FSC 4820 Valves, Nonpowered · CAGE 58366 · 305-057

Nearby stock numbers ← 4820-01-561-1993 Valve, Rotary, Selector · 4820-01-561-2261 Valve, Ball →

4820-01-561-2082 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Kirby Morgan Dive Systems Inc

Identification

NSN: 4820-01-561-2082
NIIN: 015612082
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 305-057
Manufacturer: Kirby Morgan Dive Systems Inc

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-561-2082, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Kirby Morgan Dive Systems Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-561-2082
Primary Part Number	305-057
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Kirby Morgan Dive Systems 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
305-057 PRIMARY	Kirby Morgan Dive Systems 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 4820-01-561-2082?

NSN 4820-01-561-2082 is a Valve,safety Relief, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-561-2082?

NSN 4820-01-561-2082 has 1 manufacturer part number on file: 305-057 (Kirby Morgan Dive Systems Inc).

What are the specifications of 305-057?

Key specifications for 305-057: Part Name Assigned by Controlling Agency: INLET VALVE; End Item Identification: NSN4220-01-448-6434. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-561-2082 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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