PartsTable TECHNICAL DATA SHEET

NSN 4820-01-027-6842Government record, cited

Diaphragm, Valve, Flat4820-01-027-6842

NSN 4820-01-027-6842 · NIIN 010276842

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-027-6842 · 4820010276842 · NIIN 010276842 · 01-027-6842 · FSC 4820 Valves, Nonpowered · 89823-00 · 82146-01 ITEM5 · 89823K

Nearby stock numbers ← 4820-01-027-6808 · 4820-01-027-7028 →

4820-01-027-6842 — Valves, Nonpowered

Features

Diaphragm,valve,flat — FSC 4820
Outside Diameter: 3.125 INCHES NOMINAL IN
Style Designator: FLAT
Material Thickness: 0.032 INCHES NOMINAL IN
Bolt Hole Quantity: 10
Bolt Circle Diameter: 2.670 INCHES NOMINAL IN
Center Hole Diameter: 0.375 INCHES NOMINAL IN
Material: RUBBER SYNTHETIC

Identification

NSN: 4820-01-027-6842
NIIN: 010276842
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-027-6842, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-027-6842
Item Name	Diaphragm,valve,flat
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Outside Diameter	3.125 INCHES NOMINAL IN
Style Designator	FLAT
Material Thickness	0.032 INCHES NOMINAL IN
Bolt Hole Quantity	10
Bolt Circle Diameter	2.670 INCHES NOMINAL IN
Center Hole Diameter	0.375 INCHES NOMINAL IN
Material	RUBBER SYNTHETIC
Hole Diameter	0.184 INCHES NOMINAL IN

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

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

Reference documents

Reference	Meaning
89823-00	5/9 Secondary reference U.S. Government activity
82146-01 ITEM5	5/9 Secondary reference U.S. Government activity
89823K	3/2 Design control — primary 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 4820-01-027-6842?

NSN 4820-01-027-6842 is a Diaphragm,valve,flat, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-027-6842?

Key specifications for 4820-01-027-6842: Outside Diameter: 3.125 INCHES NOMINAL IN; Style Designator: FLAT; Material Thickness: 0.032 INCHES NOMINAL IN; Bolt Hole Quantity: 10. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-027-6842 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 4820-01-027-6842?

NSN 4820-01-027-6842 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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