Valve, Butterfly4820-01-330-4948

NSN 4820-01-330-4948 · NIIN 013304948 · Part number 83921-1

Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 09790

Government record, cited

NSN 4820-01-330-4948 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-330-4948. Manufacturer of record part number: 83921-1.

Also searched as 4820-01-330-4948 · 4820013304948 · NIIN 013304948 · 01-330-4948 · FSC 4820 Valves, Nonpowered · CAGE 09790 · 83921-1 · 83921 ASSEMBLY 83921-1

Nearby stock numbers ← 4820-01-330-4947 Valve, Safety Relief · 4820-01-330-4949 Valve, Butterfly →

4820-01-330-4948 — Valves, Nonpowered

Features

Valve,butterfly — FSC 4820
Style Designator: STRAIGHT THRU
Valve Size: 6.000 INCHES IN
2 manufacturer part numbers on file
Manufacturer of record: Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator

Identification

NSN: 4820-01-330-4948
NIIN: 013304948
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 83921-1
Manufacturer: Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator

General Description

The Valve,butterfly, cataloged under National Stock Number 4820-01-330-4948, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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	4820-01-330-4948
Primary Part Number	83921-1
Item Name	Valve,butterfly
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
Status	ACTIVE
Style Designator	STRAIGHT THRU
Valve Size	6.000 INCHES IN

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
83921 ASSEMBLY 83921-1	Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
83921-1 PRIMARY	Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)

Frequently Asked Questions

What is NSN 4820-01-330-4948?

NSN 4820-01-330-4948 is a Valve,butterfly, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-330-4948?

NSN 4820-01-330-4948 has 2 manufacturer part numbers on file: 83921 ASSEMBLY 83921-1 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 83921-1 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).

What are the specifications of 83921-1?

Key specifications for 83921-1: Style Designator: STRAIGHT THRU; Valve Size: 6.000 INCHES IN. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-330-4948 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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