PartsTable TECHNICAL DATA SHEET

NSN 4820-01-448-5166Government record, cited

Disk, Valve4820-01-448-5166

NSN 4820-01-448-5166 · NIIN 014485166

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-448-5166 · 4820014485166 · NIIN 014485166 · 01-448-5166 · FSC 4820 Valves, Nonpowered · 284047 · 195546-0030

Nearby stock numbers ← 4820-01-448-5156 Cartridge, Handvalve · 4820-01-448-5172 Seat, Valve →

4820-01-448-5166 — Valves, Nonpowered

Features

Disk,valve — FSC 4820

Identification

NSN: 4820-01-448-5166
NIIN: 014485166
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-448-5166, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Disk,valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)

Technical Specifications

Parameter	Value
NSN	4820-01-448-5166
Item Name	Disk,valve
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)
Criticality Code	X

⇄ Related Items 4

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4820-01-448-5172197914-0087 POSSIBLE MATCH

SEAT,VALVE

Possible match (shared part number)Marotta Controls Inc

4820-01-448-8727111113-1035 POSSIBLE MATCH

RETAINER,DISK,VALVE

Possible match (shared part number)Marotta Controls Inc

4820-01-448-8735195543-0054 POSSIBLE MATCH

GUIDE,VALVE STEM

Possible match (shared part number)Marotta Controls Inc

4820-01-451-3753284047-0001 POSSIBLE MATCH

VALVE,ANGLE

Possible match (shared part number)Marotta Controls Inc

Cross-Reference Index

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

Reference documents

Reference	Meaning
284047	D/9 Drawing number reference only U.S. Government activity
195546-0030	3/2 Design control — primary reference U.S. Government activity

Related Parts

4820-01-448-5172POSSIBLE MATCH

SEAT,VALVE

197914-0087

4820-01-448-8727POSSIBLE MATCH

RETAINER,DISK,VALVE

111113-1035

4820-01-448-8735POSSIBLE MATCH

GUIDE,VALVE STEM

195543-0054

4820-01-451-3753POSSIBLE MATCH

VALVE,ANGLE

284047-0001

Frequently Asked Questions

What is NSN 4820-01-448-5166?

NSN 4820-01-448-5166 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-448-5166?

4 possible matches (shared part number, not a government interchangeability claim): 4820-01-448-5172, 4820-01-448-8727, 4820-01-448-8735. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-448-5166 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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