PartsTable TECHNICAL DATA SHEET

NSN 4820-01-407-2978Government record, cited

Stem, Fluid Valve4820-01-407-2978

NSN 4820-01-407-2978 · NIIN 014072978 · Part number 33-APLG1002

Rix Industries · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 28953

Government record, cited

NSN 4820-01-407-2978 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-407-2978. Manufacturer of record part number: 33-APLG1002.

Also searched as 4820-01-407-2978 · 4820014072978 · NIIN 014072978 · 01-407-2978 · FSC 4820 Valves, Nonpowered · CAGE 28953 · 33-APLG1002 · APLG1002 · APLG1002 · APLG1002

Nearby stock numbers ← 4820-01-407-2972 Valve, Linear, Directional Control · 4820-01-407-2979 Valve, Safety Relief →

4820-01-407-2978 — Valves, Nonpowered

Features

Stem,fluid Valve — FSC 4820
Material: ALUMINUM ALLOY 2024
2 manufacturer part numbers on file
Manufacturer of record: Rix Industries

Identification

NSN: 4820-01-407-2978
NIIN: 014072978
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 33-APLG1002
Manufacturer: Rix Industries

General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-407-2978, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rix Industries. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-407-2978
Primary Part Number	33-APLG1002
Item Name	Stem,fluid Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Rix Industries
Status	ACTIVE
Material	ALUMINUM ALLOY 2024

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
33-APLG1002 PRIMARY	Rix Industries (USA)
APLG1002	Naval Sea Systems Command (USA)

Reference documents

Reference	Meaning
APLG1002	C/1 Advisory reference — outside the item-of-supply concept Siemens Energy, Inc. Dba Dresser-Rand
APLG1002	5/9 Secondary 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 4820-01-407-2978?

NSN 4820-01-407-2978 is a Stem,fluid Valve, manufactured by Rix Industries, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-407-2978?

NSN 4820-01-407-2978 has 2 manufacturer part numbers on file: 33-APLG1002 (Rix Industries), APLG1002 (Naval Sea Systems Command).

What are the specifications of 33-APLG1002?

Key specifications for 33-APLG1002: Special Features: VALVE,RELIEF FOR COMPRESSOR; Material: ALUMINUM ALLOY 2024. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-407-2978 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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