Cock, Drain4820-01-690-2554

NSN 4820-01-690-2554 · NIIN 016902554 · Part number 1QA4-2-64A

Hydraflow · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 24984

Government record, cited

NSN 4820-01-690-2554 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-690-2554. Manufacturer of record part number: 1QA4-2-64A.

Also searched as 4820-01-690-2554 · 4820016902554 · NIIN 016902554 · 01-690-2554 · FSC 4820 Valves, Nonpowered · CAGE 24984 · 1QA4-2-64A

Nearby stock numbers ← 4820-01-690-2521 Valve, Ball · 4820-01-690-2574 Hinge, Swing Check Valve →

4820-01-690-2554 — Valves, Nonpowered

Features

Cock,drain — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Hydraflow

Identification

NSN: 4820-01-690-2554
NIIN: 016902554
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1QA4-2-64A
Manufacturer: Hydraflow

General Description

The Cock,drain, cataloged under National Stock Number 4820-01-690-2554, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hydraflow. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Cock,drain
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Hydraflow (CAGE 24984)

Technical Specifications

Parameter	Value
NSN	4820-01-690-2554
Primary Part Number	1QA4-2-64A
Item Name	Cock,drain
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Hydraflow
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
1QA4-2-64A PRIMARY	Hydraflow (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 4820-01-690-2554?

NSN 4820-01-690-2554 is a Cock,drain, manufactured by Hydraflow, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-690-2554?

NSN 4820-01-690-2554 has 1 manufacturer part number on file: 1QA4-2-64A (Hydraflow).

Is NSN 4820-01-690-2554 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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