Vent and Drain Asse4820-01-146-1785

NSN 4820-01-146-1785 · NIIN 011461785

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-146-1785 · 4820011461785 · NIIN 011461785 · 01-146-1785 · FSC 4820 Valves, Nonpowered · 2621-166-03 · 845-4687601 · 2621-166-03ASSY157 · 845-4687601ASSY157

Nearby stock numbers ← 4820-01-146-1567 · 4820-01-146-1886 Valve, Check →

4820-01-146-1785 — Valves, Nonpowered

Features

Vent and Drain Asse — FSC 4820

Identification

NSN: 4820-01-146-1785
NIIN: 011461785
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Vent and Drain Asse, cataloged under National Stock Number 4820-01-146-1785, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Vent and Drain Asse
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)

Technical Specifications

Parameter	Value
NSN	4820-01-146-1785
Item Name	Vent and Drain Asse
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

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

Reference documents

Reference	Meaning
2621-166-03	D/9 Drawing number reference only U.S. Government activity
845-4687601	D/9 Drawing number reference only U.S. Government activity
2621-166-03ASSY157	5/2 Secondary reference U.S. Government activity
845-4687601ASSY157	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 4820-01-146-1785?

NSN 4820-01-146-1785 is a Vent and Drain Asse, classified under FSC 4820, Valves, Nonpowered. Status: active.

Is NSN 4820-01-146-1785 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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