NSN 4820-01-503-4396 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-503-4396. Manufacturer of record part number: 51203-J-652.
Manufacturer of record: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Identification
NSN: 4820-01-503-4396
NIIN: 015034396
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 51203-J-652
Manufacturer: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
General Description
The Seat,valve, cataloged under National Stock Number 4820-01-503-4396, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
Reference documents
Reference
Meaning
714-001T
D/9Drawing number reference only
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Related Parts
4820-01-503-4406POSSIBLE MATCH
INDICATOR,VALVE OPENING
5613-H-150
4820-01-503-4545POSSIBLE MATCH
SEAT,VALVE
51203-H-652
4820-01-503-4821POSSIBLE MATCH
VALVE,GATE
714-001T 112
4820-01-505-1192POSSIBLE MATCH
STEM,FLUID VALVE
26519-FX-652
4820-01-505-1287POSSIBLE MATCH
SEAT,VALVE
51203-F-652
4820-01-505-1624POSSIBLE MATCH
FLANGE,GLAND,VALVE
36106-E-650
4820-01-505-1676POSSIBLE MATCH
VALVE,GATE
714-001T 100
4820-01-505-3066POSSIBLE MATCH
GUIDE,VALVE STEM
4122-F-210
Frequently Asked Questions
What is NSN 4820-01-503-4396?
NSN 4820-01-503-4396 is a Seat,valve, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-503-4396?
NSN 4820-01-503-4396 has 2 manufacturer part numbers on file: 51203-J-652 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 714-001T 2.00IN ITEM 6 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
What NSN replaces 4820-01-503-4396?
8 possible matches (shared part number, not a government interchangeability claim): 4820-01-503-4406, 4820-01-503-4545, 4820-01-503-4821. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-503-4396 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.