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NSN 4820-01-665-5014Government record, cited

Diaphragm, Valve, Flat4820-01-665-5014

NSN 4820-01-665-5014 · NIIN 016655014

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-665-5014 · 4820016655014 · NIIN 016655014 · 01-665-5014 · FSC 4820 Valves, Nonpowered · 12052302 · 12052302 ITEM 26 · 12052507-01

Nearby stock numbers ← 4820-01-665-5011 Piston, Valve · 4820-01-665-5111 Piston, Valve →

4820-01-665-5014 — Valves, Nonpowered

Features

Diaphragm,valve,flat — FSC 4820

Identification

NSN: 4820-01-665-5014
NIIN: 016655014
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-665-5014, 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Supply Class 4820 (Valves, Nonpowered) of the Valves group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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	4820-01-665-5014
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 6

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

4330-01-665-507412052307-018 POSSIBLE MATCH

FILTER ELEMENT,FLUID

Possible match (shared part number)Vacco Industries

5305-01-665-6289V2D11671-4C POSSIBLE MATCH

SCREW,CAP,SOCKET HEAD

Possible match (shared part number)Vacco Industries

5305-01-665-6295V2D11680-10D POSSIBLE MATCH

SCREW,CAP,SOCKET HEAD

Possible match (shared part number)Vacco Industries

5305-01-665-6297V2D11680-6D POSSIBLE MATCH

SCREW,CAP,SOCKET HEAD

Possible match (shared part number)Vacco Industries

5305-01-665-6300V2D11670-5D POSSIBLE MATCH

SCREW,CAP,SOCKET HEAD

Possible match (shared part number)Vacco Industries

5310-01-665-6376V2C13665-1 POSSIBLE MATCH

PUSH ON NUT

Possible match (shared part number)Vacco Industries

Cross-Reference Index

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

Reference documents

Reference	Meaning
12052302	D/9 Drawing number reference only U.S. Government activity
12052302 ITEM 26	C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity
12052507-01	3/2 Design control — primary reference U.S. Government activity

Related Parts

4330-01-665-5074POSSIBLE MATCH

FILTER ELEMENT,FLUID

12052307-018

5305-01-665-6289POSSIBLE MATCH

SCREW,CAP,SOCKET HEAD

V2D11671-4C

5305-01-665-6295POSSIBLE MATCH

SCREW,CAP,SOCKET HEAD

V2D11680-10D

5305-01-665-6297POSSIBLE MATCH

SCREW,CAP,SOCKET HEAD

V2D11680-6D

5305-01-665-6300POSSIBLE MATCH

SCREW,CAP,SOCKET HEAD

V2D11670-5D

5310-01-665-6376POSSIBLE MATCH

PUSH ON NUT

V2C13665-1

Frequently Asked Questions

What is NSN 4820-01-665-5014?

NSN 4820-01-665-5014 is a Diaphragm,valve,flat, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-665-5014?

6 possible matches (shared part number, not a government interchangeability claim): 4330-01-665-5074, 5305-01-665-6289, 5305-01-665-6295. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-665-5014 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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