Valve, Calibrated Flow4820-01-173-4631

NSN 4820-01-173-4631 · NIIN 011734631

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-173-4631 · 4820011734631 · NIIN 011734631 · 01-173-4631 · FSC 4820 Valves, Nonpowered · EF25SS · EDF25SS

Nearby stock numbers ← 4820-01-173-4630 Valve, Regulating, Fluid Pressure · 4820-01-173-4641 →

4820-01-173-4631 — Valves, Nonpowered

Features

Valve,calibrated Flow — FSC 4820
Flow Control Device: BALL
First End Thread Direction: RIGHT-HAND
Second End Relationship with First End: IDENTICAL
Body Style: STRAIGHT THRU
Regulation Type: MANUAL SINGLE STAGE
First End Style Designator: PLAIN
End Connection Quantity: 2

Identification

NSN: 4820-01-173-4631
NIIN: 011734631
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-173-4631, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-173-4631
Item Name	Valve,calibrated Flow
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Flow Control Device	BALL
First End Thread Direction	RIGHT-HAND
Second End Relationship with First End	IDENTICAL
Body Style	STRAIGHT THRU
Regulation Type	MANUAL SINGLE STAGE
First End Style Designator	PLAIN
End Connection Quantity	2
Manual Control Method	KNOB
First End Connection Type	THREADED INTERNAL PIPE
Material	PLASTIC FLOW CONTROL DEVICE
Material	STEEL CORROSION RESISTING BODY
Thread Size and Series/type Designator	3/8-18 NPTF FIRST END
Valve Discharge Flow Rate	10.0 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
EF25SS	3/2 Design control — primary reference U.S. Government activity
EDF25SS	5/9 Secondary 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 4820-01-173-4631?

NSN 4820-01-173-4631 is a Valve,calibrated Flow, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-173-4631?

Key specifications for 4820-01-173-4631: Flow Control Device: BALL; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 13 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-173-4631 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