Ring Quad4820-01-641-9371

NSN 4820-01-641-9371 · NIIN 016419371 · Part number 4-013N674

Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 63600

Government record, cited

NSN 4820-01-641-9371 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-641-9371. Manufacturer of record part number: 4-013N674.

Also searched as 4820-01-641-9371 · 4820016419371 · NIIN 016419371 · 01-641-9371 · FSC 4820 Valves, Nonpowered · CAGE 63600 · 4-013N674 · 4599 PL REV G FIND NO. 24

Nearby stock numbers ← 4820-01-641-9356 Valve, Gate · 4820-01-641-9432 Seal, Kit →

4820-01-641-9371 — Valves, Nonpowered

Features

Ring Quad — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque

Identification

NSN: 4820-01-641-9371
NIIN: 016419371
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 4-013N674
Manufacturer: Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque

General Description

The Ring Quad, cataloged under National Stock Number 4820-01-641-9371, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Ring Quad
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque (CAGE 63600)

Technical Specifications

Parameter	Value
NSN	4820-01-641-9371
Primary Part Number	4-013N674
Item Name	Ring Quad
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque
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

Cross-Reference Index

Part Number	Manufacturer
4-013N674 PRIMARY	Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque (USA)
4599 PL REV G FIND NO. 24	Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque (USA)

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 4820-01-641-9371?

NSN 4820-01-641-9371 is a Ring Quad, manufactured by Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-641-9371?

NSN 4820-01-641-9371 has 2 manufacturer part numbers on file: 4-013N674 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque), 4599 PL REV G FIND NO. 24 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque).

Is NSN 4820-01-641-9371 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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