PartsTable TECHNICAL DATA SHEET

NSN 4820-01-417-9378Government record, cited

Valve, Purge4820-01-417-9378

NSN 4820-01-417-9378 · NIIN 014179378 · Part number U.334-L

Mako Compressors, Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 33742

Government record, cited

NSN 4820-01-417-9378 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-417-9378. Manufacturer of record part number: U.334-L.

Also searched as 4820-01-417-9378 · 4820014179378 · NIIN 014179378 · 01-417-9378 · FSC 4820 Valves, Nonpowered · CAGE 33742 · U.334-L · ASC1518057 · E45129 REV A IT 1

Nearby stock numbers ← 4820-01-417-9377 Valve, Safety Relief · 4820-01-417-9379 →

4820-01-417-9378 — Valves, Nonpowered

Features

Valve,purge — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Mako Compressors, Llc

Identification

NSN: 4820-01-417-9378
NIIN: 014179378
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: U.334-L
Manufacturer: Mako Compressors, Llc

General Description

The Valve,purge, cataloged under National Stock Number 4820-01-417-9378, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mako Compressors, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-417-9378
Primary Part Number	U.334-L
Item Name	Valve,purge
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Mako Compressors, Llc
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

Cross-Reference Index

Part Number	Manufacturer
U.334-L PRIMARY	Mako Compressors, Llc (USA)

Reference documents

Reference	Meaning
ASC1518057	5/9 Secondary reference Asc Pty Ltd
E45129 REV A IT 1	5/9 Secondary reference Mako Compressors, Llc

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 4820-01-417-9378?

NSN 4820-01-417-9378 is a Valve,purge, manufactured by Mako Compressors, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-417-9378?

NSN 4820-01-417-9378 has 1 manufacturer part number on file: U.334-L (Mako Compressors, Llc).

What are the specifications of U.334-L?

Key specifications for U.334-L: End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-417-9378 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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