Stem, Fluid Valve4820-01-373-1944

NSN 4820-01-373-1944 · NIIN 013731944

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-373-1944 · 4820013731944 · NIIN 013731944 · 01-373-1944 · FSC 4820 Valves, Nonpowered · 563-6404328 FIND 26 · DF6002-413 FN 26 · 211069317

Nearby stock numbers ← 4820-01-373-1943 Sleeve and Slide, Directional Con · 4820-01-373-1945 Stem, Fluid Valve →

4820-01-373-1944 — Valves, Nonpowered

Features

Stem,fluid Valve — FSC 4820
Valve Type for Which Designed: RELIEF
Largest Outside Diameter: 2.993 INCHES MINIMUM IN
Stem Actuating End Type: THREADED EXTERNALLY
Material Document and Classification: QQ-N-286,FORM 2 FED SPEC SINGLE MATERIAL RESPONSE
Features Provided: SPLINED
Material: NICKEL ALLOY

Identification

NSN: 4820-01-373-1944
NIIN: 013731944
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-373-1944, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-373-1944
Item Name	Stem,fluid Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Valve Type for Which Designed	RELIEF
Largest Outside Diameter	2.993 INCHES MINIMUM IN
Stem Actuating End Type	THREADED EXTERNALLY
Material Document and Classification	QQ-N-286,FORM 2 FED SPEC SINGLE MATERIAL RESPONSE
Features Provided	SPLINED
Material	NICKEL ALLOY

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	Y

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
563-6404328 FIND 26	5/1 Secondary reference Naval Sea Systems Command
DF6002-413 FN 26	5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding
211069317	3/1 Design control — primary reference Naval Sea Systems Command

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 4820-01-373-1944?

NSN 4820-01-373-1944 is a Stem,fluid Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-373-1944?

Key specifications for 4820-01-373-1944: Valve Type for Which Designed: RELIEF; Largest Outside Diameter: 2.993 INCHES MINIMUM IN; Stem Actuating End Type: THREADED EXTERNALLY; Material Document and Classification: QQ-N-286,FORM 2 FED SPEC SINGLE MATERIAL RESPONSE. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-373-1944 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.

PartsTable Design LLC · partstable.com