PartsTable TECHNICAL DATA SHEET

NSN 4820-01-520-4333Government record, cited

Valve, Check4820-01-520-4333

NSN 4820-01-520-4333 · NIIN 015204333 · Part number 135695

Meggitt North Hollywood Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 79318

Government record, cited

NSN 4820-01-520-4333 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-520-4333. Manufacturer of record part number: 135695.

Also searched as 4820-01-520-4333 · 4820015204333 · NIIN 015204333 · 01-520-4333 · FSC 4820 Valves, Nonpowered · CAGE 79318 · 135695 · F61A0045 · 10-20048-502

Nearby stock numbers ← 4820-01-520-4327 · 4820-01-520-4351 Valve, Safety Relief →

4820-01-520-4333 — Valves, Nonpowered

Features

Valve,check — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Meggitt North Hollywood Inc

Identification

NSN: 4820-01-520-4333
NIIN: 015204333
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 135695
Manufacturer: Meggitt North Hollywood Inc

General Description

The Valve,check, cataloged under National Stock Number 4820-01-520-4333, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Meggitt North Hollywood Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Valve,check
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Meggitt North Hollywood Inc (CAGE 79318)

Technical Specifications

Parameter	Value
NSN	4820-01-520-4333
Primary Part Number	135695
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Meggitt North Hollywood Inc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
135695	Meggitt North Hollywood Inc (USA)

Reference documents

Reference	Meaning
F61A0045	3/2 Design control — primary reference U.S. Government activity
10-20048-502	5/9 Secondary reference U.S. Government activity

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 4820-01-520-4333?

NSN 4820-01-520-4333 is a Valve,check, manufactured by Meggitt North Hollywood Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-520-4333?

NSN 4820-01-520-4333 has 1 manufacturer part number on file: 135695 (Meggitt North Hollywood Inc).

Is NSN 4820-01-520-4333 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.

What is the DEMIL code for NSN 4820-01-520-4333?

NSN 4820-01-520-4333 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

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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