NSN 4820-01-367-4784 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-367-4784. Manufacturer of record part number: 18020 15650-1.
The Cock,poppet Drain, cataloged under National Stock Number 4820-01-367-4784, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tate Andale, Llc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-367-4784
Primary Part Number
18020 15650-1
Item Name
Cock,poppet Drain
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Tate Andale, Llc
Status
ACTIVE
Connection Type
THREADED INTERNAL TUBE ALL ENDS
Style Designator
STRAIGHT THRU
Thread Direction
RIGHT-HAND ALL ENDS
Nominal Thread Size
0.375 INCHES ALL ENDS IN
Thread Class
2B ALL ENDS
Thread Quantity Per Inch
24 ALL ENDS
Material
NICKEL ALLOY BODY
Thread Series Designator
UN ALL ENDS
Valve Operation Method
MANUAL
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
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-367-494433221-1 REV APOSSIBLE MATCH
STRAINER ELEMENT,SEDIMENT
Possible match (shared part number)Tate Andale, Llc
4730-01-367-494607530 15731-2POSSIBLE MATCH
STRAINER BODY,SEDIMENT
Possible match (shared part number)Tate Andale, Llc
4820-01-367-617807530 15732-1POSSIBLE MATCH
PLUG,ROTARY,VALVE
Possible match (shared part number)Tate Andale, Llc
5610-01-397-3198RED FLINT 5LBPOSSIBLE MATCH
SAND,WATER FILTER
Possible match (shared part number)American Materials Corporation
4730-01-422-945333221-1POSSIBLE MATCH
STRAINER BODY,SEDIMENT
Possible match (shared part number)Tate Andale, Llc
NSN 4820-01-367-4784 is a Cock,poppet Drain, manufactured by Tate Andale, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-367-4784?
NSN 4820-01-367-4784 has 1 manufacturer part number on file: 18020 15650-1 (Tate Andale, Llc).
What NSN replaces 4820-01-367-4784?
7 possible matches (shared part number, not a government interchangeability claim): 4730-01-367-4944, 4730-01-367-4946, 4820-01-367-6178. Verify interchangeability with system specifications before substitution.
What are the specifications of 18020 15650-1?
Key specifications for 18020 15650-1: Connection Type: THREADED INTERNAL TUBE ALL ENDS; Style Designator: STRAIGHT THRU; Thread Direction: RIGHT-HAND ALL ENDS; Nominal Thread Size: 0.375 INCHES ALL ENDS IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-367-4784 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.