PartsTable TECHNICAL DATA SHEET

NSN 4820-01-328-6032Government record, cited

Cock, Drain4820-01-328-6032

NSN 4820-01-328-6032 · NIIN 013286032 · Part number 5200900

W S Darley & Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 15852

Government record, cited

NSN 4820-01-328-6032 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-328-6032. Manufacturer of record part number: 5200900.

Also searched as 4820-01-328-6032 · 4820013286032 · NIIN 013286032 · 01-328-6032 · FSC 4820 Valves, Nonpowered · CAGE 15852 · 5200900 · 001734T · PA198

Nearby stock numbers ← 4820-01-328-5853 · 4820-01-328-6043 Seat, Valve →

4820-01-328-6032 — Valves, Nonpowered

Features

Cock,drain — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: W S Darley & Co

Identification

NSN: 4820-01-328-6032
NIIN: 013286032
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 5200900
Manufacturer: W S Darley & Co

General Description

The Cock,drain, cataloged under National Stock Number 4820-01-328-6032, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is W S Darley & Co. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Cock,drain
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	W S Darley & Co (CAGE 15852); Kovatch Corp. (CAGE 59556)

Technical Specifications

Parameter	Value
NSN	4820-01-328-6032
Primary Part Number	5200900
Item Name	Cock,drain
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	W S Darley & Co
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
5200900 PRIMARY	W S Darley & Co (USA)
001734T	Kovatch Corp. (USA)

Reference documents

Reference	Meaning
PA198	3/9 Design control — primary reference W S Darley & Co

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 4820-01-328-6032?

NSN 4820-01-328-6032 is a Cock,drain, manufactured by W S Darley & Co, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-328-6032?

NSN 4820-01-328-6032 has 2 manufacturer part numbers on file: 5200900 (W S Darley & Co), 001734T (Kovatch Corp.).

Is NSN 4820-01-328-6032 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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