Retainer, Disk, Valve4820-01-218-0119

NSN 4820-01-218-0119 · NIIN 012180119 · Part number 312086-4

Pneu-Hydro Products · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 04190

Government record, cited

NSN 4820-01-218-0119 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-218-0119. Manufacturer of record part number: 312086-4.

Also searched as 4820-01-218-0119 · 4820012180119 · NIIN 012180119 · 01-218-0119 · FSC 4820 Valves, Nonpowered · CAGE 04190 · 312086-4

Nearby stock numbers ← 4820-01-218-0118 · 4820-01-218-0120 Piston, Valve →

4820-01-218-0119 — Valves, Nonpowered

Features

Retainer,disk,valve — FSC 4820
Outside Diameter: 0.500 INCHES NOMINAL IN
Material Document and Classification: QQ-A-268 FED SPEC SINGLE MATERIAL RESPONSE
Material: ALUMINUM ALLOY
1 manufacturer part number on file
Manufacturer of record: Pneu-Hydro Products

Identification

NSN: 4820-01-218-0119
NIIN: 012180119
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 312086-4
Manufacturer: Pneu-Hydro Products

General Description

The Retainer,disk,valve, cataloged under National Stock Number 4820-01-218-0119, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pneu-Hydro Products. Government technical data includes 3 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-218-0119
Primary Part Number	312086-4
Item Name	Retainer,disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Pneu-Hydro Products
Status	ACTIVE
Outside Diameter	0.500 INCHES NOMINAL IN
Material Document and Classification	QQ-A-268 FED SPEC SINGLE MATERIAL RESPONSE
Material	ALUMINUM ALLOY

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
312086-4 PRIMARY	Pneu-Hydro Products (USA)

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 4820-01-218-0119?

NSN 4820-01-218-0119 is a Retainer,disk,valve, manufactured by Pneu-Hydro Products, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-218-0119?

NSN 4820-01-218-0119 has 1 manufacturer part number on file: 312086-4 (Pneu-Hydro Products).

What are the specifications of 312086-4?

Key specifications for 312086-4: Outside Diameter: 0.500 INCHES NOMINAL IN; Material Document and Classification: QQ-A-268 FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 0.240 INCHES NOMINAL IN; Special Features: STEP TO SMALLER O/DIA 0.365 IN.; CENTER HOLE INTERNALLY THREADED; COUNTERBORED 0.438 IN. DIA X 0.031 IN. DEEP AT LARGEST END; 0.062 IN. SLOT AT SMALL END ACROSS DIA; USED ON P/N 312086 IN. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-218-0119 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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