PartsTable TECHNICAL DATA SHEET

NSN 4820-01-166-5033Government record, cited

Disk, Valve4820-01-166-5033

NSN 4820-01-166-5033 · NIIN 011665033 · Part number A287058

Bae Systems (operations) Limited · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE U9143

Government record, cited

NSN 4820-01-166-5033 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-166-5033. Manufacturer of record part number: A287058.

Also searched as 4820-01-166-5033 · 4820011665033 · NIIN 011665033 · 01-166-5033 · FSC 4820 Valves, Nonpowered · CAGE U9143 · A287058

Nearby stock numbers ← 4820-01-166-4681 Plunger Assembly · 4820-01-166-5185 Valve, Angle →

4820-01-166-5033 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Shoulder Width: 0.066 INCHES NOMINAL IN
Shoulder Height: 0.461 INCHES MINIMUM AND 0.466 INCHES MAXIMUM IN
Outside Diameter: 0.724 INCHES MINIMUM AND 0.734 INCHES MAXIMUM IN
Style Designator: PLUG
Media for Which Designed: WATER
1 manufacturer part number on file
Manufacturer of record: Bae Systems (operations) Limited

Identification

NSN: 4820-01-166-5033
NIIN: 011665033
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: A287058
Manufacturer: Bae Systems (operations) Limited

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-166-5033, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bae Systems (operations) Limited. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-166-5033
Primary Part Number	A287058
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Bae Systems (operations) Limited
Status	ACTIVE
Shoulder Width	0.066 INCHES NOMINAL IN
Shoulder Height	0.461 INCHES MINIMUM AND 0.466 INCHES MAXIMUM IN
Outside Diameter	0.724 INCHES MINIMUM AND 0.734 INCHES MAXIMUM IN
Style Designator	PLUG
Media for Which Designed	WATER

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
A287058	Bae Systems (operations) Limited (GBR)

Reference documents

Reference	Meaning
A287058	3/9 Design control — primary reference British Aerospace (military Aircraft & Aerostructures)

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 4820-01-166-5033?

NSN 4820-01-166-5033 is a Disk,valve, manufactured by Bae Systems (operations) Limited, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-166-5033?

NSN 4820-01-166-5033 has 1 manufacturer part number on file: A287058 (Bae Systems (operations) Limited).

What are the specifications of A287058?

Key specifications for A287058: Overall Height: 1.215 INCHES MINIMUM AND 1.220 INCHES MAXIMUM IN; Shoulder Width: 0.066 INCHES NOMINAL IN; Shoulder Height: 0.461 INCHES MINIMUM AND 0.466 INCHES MAXIMUM IN; Outside Diameter: 0.724 INCHES MINIMUM AND 0.734 INCHES MAXIMUM IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-166-5033 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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