NSN 4820-01-506-1631 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-506-1631. Manufacturer of record part number: 51202-J-652.
Also searched as4820-01-506-1631 ·
4820015061631 ·
NIIN 015061631 ·
01-506-1631 ·
FSC 4820 Valves, Nonpowered · CAGE 76364 · 51202-J-652 · 803-4384536 · 536A6001J · 803-4384536-8XXX-85 MOD
Manufacturer of record: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Identification
NSN: 4820-01-506-1631
NIIN: 015061631
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 51202-J-652
Manufacturer: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
General Description
The Seat,valve, cataloged under National Stock Number 4820-01-506-1631, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
803-4384536
D/9Drawing number reference only
U.S. Government activity
536A6001J
D/9Drawing number reference only
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
803-4384536-8XXX-85 MOD
5/1Secondary reference
U.S. Government activity
Related Parts
4820-01-506-2880POSSIBLE MATCH
STEM,FLUID VALVE
26520-FX-652
4820-01-506-2913POSSIBLE MATCH
VALVE,GLOBE
536A6001J100
4820-01-506-2922POSSIBLE MATCH
DISK,VALVE
38291-F-650
4820-01-506-2932POSSIBLE MATCH
SEAT,VALVE
51202-F-652
Frequently Asked Questions
What is NSN 4820-01-506-1631?
NSN 4820-01-506-1631 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 4820-01-506-1631?
NSN 4820-01-506-1631 has 1 manufacturer part number on file: 51202-J-652 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
What NSN replaces 4820-01-506-1631?
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-506-2880, 4820-01-506-2913, 4820-01-506-2922. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-506-1631 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.