Valve, Calibrated Flow4820-01-662-2391

NSN 4820-01-662-2391 · NIIN 016622391

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-662-2391 · 4820016622391 · NIIN 016622391 · 01-662-2391 · FSC 4820 Valves, Nonpowered

Nearby stock numbers ← 4820-01-662-2278 Valve, Idle Speed Co · 4820-01-662-2508 Valve, Regulating, System Pressure →

4820-01-662-2391 — Valves, Nonpowered

Features

Valve,calibrated Flow — FSC 4820
Flow Control Device: DIAPHRAGM
Second End Relationship with First End: IDENTICAL
First End Recess Diameter: 1.315 INCHES MINIMUM AND 1.318 INCHES MAXIMUM IN
Body Style: STRAIGHT THRU
First End Style Designator: SOCKET W/BRAZING RING
Temp Rating: 225.0 FAHRENHEIT MAXIMUM DEGF
First End Recess Depth: 0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN

Identification

NSN: 4820-01-662-2391
NIIN: 016622391
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-662-2391, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-662-2391
Item Name	Valve,calibrated Flow
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Flow Control Device	DIAPHRAGM
Second End Relationship with First End	IDENTICAL
First End Recess Diameter	1.315 INCHES MINIMUM AND 1.318 INCHES MAXIMUM IN
Body Style	STRAIGHT THRU
First End Style Designator	SOCKET W/BRAZING RING
Temp Rating	225.0 FAHRENHEIT MAXIMUM DEGF
First End Recess Depth	0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN
Material Document and Classification	QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
End Connection Quantity	2
Valve Size	1.0 INCHES IN
Maximum Inlet Pressure Rating	ERR-060
Valve Discharge Flow Rate	9.0 GALLONS PER MINUTE

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
8-3503SS-9.00-BZ	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 4820-01-662-2391?

NSN 4820-01-662-2391 is a Valve,calibrated Flow, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-662-2391?

Key specifications for 4820-01-662-2391: Flow Control Device: DIAPHRAGM; Second End Relationship with First End: IDENTICAL; First End Recess Diameter: 1.315 INCHES MINIMUM AND 1.318 INCHES MAXIMUM IN; Body Style: STRAIGHT THRU. 12 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-662-2391 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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