Valve, Pressure Equalizing, Gaseou4820-01-341-4218

NSN 4820-01-341-4218 · NIIN 013414218

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-341-4218 · 4820013414218 · NIIN 013414218 · 01-341-4218 · FSC 4820 Valves, Nonpowered

Nearby stock numbers ← 4820-01-341-4205 Valve, Throttle · 4820-01-341-4219 Valve, Pressure Equalizing, Gaseou →

4820-01-341-4218 — Valves, Nonpowered

Features

Valve,pressure Equalizing,gaseou — FSC 4820
First End Thread Series Designator: UNF
First End Thread Direction: RIGHT-HAND
Second End Nominal Thread Size: 0.438 INCHES IN
Second End Relationship with First End: NOT IDENTICAL
Body Style: STRAIGHT THRU
First End Thread Class: 2A A
First End Style Designator: PLAIN

Identification

NSN: 4820-01-341-4218
NIIN: 013414218
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,pressure Equalizing,gaseou, cataloged under National Stock Number 4820-01-341-4218, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-341-4218
Item Name	Valve,pressure Equalizing,gaseou
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
First End Thread Series Designator	UNF
First End Thread Direction	RIGHT-HAND
Second End Nominal Thread Size	0.438 INCHES IN
Second End Relationship with First End	NOT IDENTICAL
Body Style	STRAIGHT THRU
First End Thread Class	2A A
First End Style Designator	PLAIN
End Connection Quantity	2
First End Connection Type	THREADED EXTERNAL TUBE
First End Outside Diameter Tube Accommodated	0.880 INCHES NOMINAL IN
Material	ALUMINUM ALLOY BODY
Second End Connection Type	THREADED EXTERNAL TUBE
First End Nominal Thread Size	0.562 INCHES IN

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

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

Reference documents

Reference	Meaning
CF014520	3/9 Design control — primary reference M P D Technologies Inc

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 4820-01-341-4218?

NSN 4820-01-341-4218 is a Valve,pressure Equalizing,gaseou, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-341-4218?

Key specifications for 4820-01-341-4218: First End Thread Series Designator: UNF; First End Thread Direction: RIGHT-HAND; Second End Nominal Thread Size: 0.438 INCHES IN; Second End Relationship with First End: NOT IDENTICAL. 13 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-341-4218 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.

PartsTable Design LLC · partstable.com