Stem, Fluid Valve4820-01-045-2640

NSN 4820-01-045-2640 · NIIN 010452640

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-045-2640 · 4820010452640 · NIIN 010452640 · 01-045-2640 · FSC 4820 Valves, Nonpowered · C3971 · C3971D

Nearby stock numbers ← 4820-01-045-2626 · 4820-01-045-2772 →

4820-01-045-2640 — Valves, Nonpowered

Features

Stem,fluid Valve — FSC 4820
Largest Outside Diameter: 0.374 INCHES NOMINAL IN
Material: STEEL COMP 303

Identification

NSN: 4820-01-045-2640
NIIN: 010452640
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-045-2640, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-045-2640
Item Name	Stem,fluid Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Largest Outside Diameter	0.374 INCHES NOMINAL IN
Material	STEEL COMP 303

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

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

Reference documents

Reference	Meaning
C3971	5/9 Secondary reference U.S. Government activity
C3971D	3/2 Design control — primary reference U.S. Government activity

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 4820-01-045-2640?

NSN 4820-01-045-2640 is a Stem,fluid Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-045-2640?

Key specifications for 4820-01-045-2640: Largest Outside Diameter: 0.374 INCHES NOMINAL IN; Overall Length: 0.800 INCHES NOMINAL IN; Material: STEEL COMP 303. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-045-2640 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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