PartsTable TECHNICAL DATA SHEET

NSN 4820-01-504-2535Government record, cited

Regulating Element, Flow, Valve4820-01-504-2535

NSN 4820-01-504-2535 · NIIN 015042535

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-504-2535 · 4820015042535 · NIIN 015042535 · 01-504-2535 · FSC 4820 Valves, Nonpowered · 284381 · 284381-0002 ITEM 22 · 197561

Nearby stock numbers ← 4820-01-504-2532 Regulating Element, Flow, Valve · 4820-01-504-2553 Valve, Flow Control →

4820-01-504-2535 — Valves, Nonpowered

Features

Regulating Element,flow,valve — FSC 4820

Identification

NSN: 4820-01-504-2535
NIIN: 015042535
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Regulating Element,flow,valve, cataloged under National Stock Number 4820-01-504-2535, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Regulating Element,flow,valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)

Technical Specifications

Parameter	Value
NSN	4820-01-504-2535
Item Name	Regulating Element,flow,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
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

⇄ Related Items 4

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4820-01-504-2560197296-0145 POSSIBLE MATCH

CAGE,VALVE

Possible match (shared part number)Marotta Controls Inc

4820-01-504-2572197878-0013 POSSIBLE MATCH

RETAINER,DISK,VALVE

Possible match (shared part number)Marotta Controls Inc

5325-01-533-480928438-1 POSSIBLE MATCH

GROMMET,NONMETALLIC

Possible match (shared part number)Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp

5915-01-612-578828438-1 POSSIBLE MATCH

PHASE LINE

Possible match (shared part number)Fisica Applied Technologies, Inc. Div Randtron Antenna Systems

Cross-Reference Index

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

Reference documents

Reference	Meaning
284381	D/9 Drawing number reference only U.S. Government activity
284381-0002 ITEM 22	5/2 Secondary reference U.S. Government activity
197561	3/2 Design control — primary reference U.S. Government activity

Related Parts

4820-01-504-2560POSSIBLE MATCH

CAGE,VALVE

197296-0145

4820-01-504-2572POSSIBLE MATCH

RETAINER,DISK,VALVE

197878-0013

5325-01-533-4809POSSIBLE MATCH

GROMMET,NONMETALLIC

28438-1

5915-01-612-5788POSSIBLE MATCH

PHASE LINE

28438-1

Frequently Asked Questions

What is NSN 4820-01-504-2535?

NSN 4820-01-504-2535 is a Regulating Element,flow,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-504-2535?

4 possible matches (shared part number, not a government interchangeability claim): 4820-01-504-2560, 4820-01-504-2572, 5325-01-533-4809. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-504-2535 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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