PartsTable TECHNICAL DATA SHEET

NSN 4820-01-355-6383Government record, cited

Diaphragm, Valve, Flat4820-01-355-6383

NSN 4820-01-355-6383 · NIIN 013556383

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-355-6383 · 4820013556383 · NIIN 013556383 · 01-355-6383 · FSC 4820 Valves, Nonpowered · BDN-710 PIECE 28 · BDN-710 PIECE 28 · BDN-710

Nearby stock numbers ← 4820-01-355-6382 Diaphragm, Actuator Valve, Special · 4820-01-355-6384 Diaphragm, Valve, Flat →

4820-01-355-6383 — Valves, Nonpowered

Features

Diaphragm,valve,flat — FSC 4820

Identification

NSN: 4820-01-355-6383
NIIN: 013556383
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-355-6383, 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Supply Class 4820 (Valves, Nonpowered) of the Valves group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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	Diaphragm,valve,flat
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)

Technical Specifications

Parameter	Value
NSN	4820-01-355-6383
Item Name	Diaphragm,valve,flat
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.

3020-01-355-7681BDN-710 PIECE 16 POSSIBLE MATCH

GEAR,HELICAL

Possible match (shared part number)Hersey Measurement Co Div of Miller Industries Inc

3020-01-355-7682BDN-710 PIECE 17 POSSIBLE MATCH

GEAR,HELICAL

Possible match (shared part number)Hersey Measurement Co Div of Miller Industries Inc

3020-01-363-3757BDN-710 PIECE 21 POSSIBLE MATCH

ROLLER,INTER GEAR P

Possible match (shared part number)Hersey Measurement Co Div of Miller Industries Inc

3020-01-363-3758BDN-710 PIECE 22 POSSIBLE MATCH

DRIVER,INTER GEAR P

Possible match (shared part number)Hersey Measurement Co Div of Miller Industries Inc

Cross-Reference Index

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

Reference documents

Reference	Meaning
BDN-710 PIECE 28	5/9 Secondary reference Hersey Measurement Co Div of Miller Industries Inc
BDN-710 PIECE 28	3/9 Design control — primary reference Venture Measurement Company Llc Dba Fortive Corporation
BDN-710	D/9 Drawing number reference only Hersey Measurement Co Div of Miller Industries Inc

Related Parts

3020-01-355-7681POSSIBLE MATCH

GEAR,HELICAL

BDN-710 PIECE 16

3020-01-355-7682POSSIBLE MATCH

GEAR,HELICAL

BDN-710 PIECE 17

3020-01-363-3757POSSIBLE MATCH

ROLLER,INTER GEAR P

BDN-710 PIECE 21

3020-01-363-3758POSSIBLE MATCH

DRIVER,INTER GEAR P

BDN-710 PIECE 22

Frequently Asked Questions

What is NSN 4820-01-355-6383?

NSN 4820-01-355-6383 is a Diaphragm,valve,flat, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-355-6383?

4 possible matches (shared part number, not a government interchangeability claim): 3020-01-355-7681, 3020-01-355-7682, 3020-01-363-3757. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-355-6383 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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