Diaphragm, Valve, Flat4820-01-601-7918

NSN 4820-01-601-7918 · NIIN 016017918

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-601-7918 · 4820016017918 · NIIN 016017918 · 01-601-7918 · FSC 4820 Valves, Nonpowered

Nearby stock numbers ← 4820-01-601-7659 Cartridge, Hydraulic Valve · 4820-01-601-7945 Valve, Relief, Pressure and Temper →

4820-01-601-7918 — Valves, Nonpowered

Features

Diaphragm,valve,flat — FSC 4820
Style Designator: SPECIAL SHAPED
Media for Which Designed: AIR

Identification

NSN: 4820-01-601-7918
NIIN: 016017918
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-601-7918, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-601-7918
Item Name	Diaphragm,valve,flat
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Style Designator	SPECIAL SHAPED
Media for Which Designed	AIR

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

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

Reference documents

Reference	Meaning
55100107-999	3/9 Design control — primary reference Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div

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 4820-01-601-7918?

NSN 4820-01-601-7918 is a Diaphragm,valve,flat, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-601-7918?

Key specifications for 4820-01-601-7918: Style Designator: SPECIAL SHAPED; Special Features: USES A MULTI-LOBE CAM DESIGN TO PROVIDE VARIOUS CONTROL CHARACTERISTICS INCLUDING LINEAR AND EQUAL PERCENT;IS A FULLY ENCLOSED DESIGN USING CORROSION RESISTANT MATERAILS AND MODULAR CONSTRUCTION FOR KEY COMPONENTS SUCH AS 1 PILOT S/A PART NUMBER 435100-391-999;1 3-15 PSI DIAPHRAGM S/A PART NUMBER 4315100-390-999;4 SCREWS .250-20 UNCX.50 IN. LONF PART NUMBER 011488-837-779;1 SCREW NYLOC SEALING SET PART NUMBER 011488-835-779 AND 1 PLUG .250 NPT NYLOC PIPE PART NUMBER 011488-834-779 IN; Media for Which Designed: AIR; Part Name Assigned by Controlling Agency: ASSEMBLY, 4700E POSITIONER 3-15 PSI WITH WATSON-SMITH MODULE. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-601-7918 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.

PartsTable Design LLC · partstable.com