NSN 4820-01-406-4749 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-406-4749. Manufacturer of record part number: PI-NB2502 CDS-NN-P624D-16.
The Valve,gate, cataloged under National Stock Number 4820-01-406-4749, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-406-4749
Primary Part Number
PI-NB2502 CDS-NN-P624D-16
Item Name
Valve,gate
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Hunt Valve Company, Inc.
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
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-414-2280POSSIBLE MATCH
GUIDE,VALVE STEM
Possible match (shared part number)
4820-01-435-1021PI-NB2502 4INPOSSIBLE MATCH
VALVE,GATE
Possible match (shared part number)Hunt Valve Company, Inc.
4820-01-435-1944PI-NB2502 ITEM 5 4INPOSSIBLE MATCH
NUT,OPERATING,VALVE
Possible match (shared part number)Hunt Valve Company, Inc.
4820-01-458-8638PI-NB2502 6 INCH PART NO 5POSSIBLE MATCH
NUT,OPERATING,VALVE
Possible match (shared part number)Hunt Valve Company, Inc.
4820-01-462-48735767.1POSSIBLE MATCH
VALVE,GATE
Possible match (shared part number)Hunt Valve Company, Inc.
NSN 4820-01-406-4749 is a Valve,gate, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-406-4749?
NSN 4820-01-406-4749 has 1 manufacturer part number on file: PI-NB2502 CDS-NN-P624D-16 (Hunt Valve Company, Inc.).
What NSN replaces 4820-01-406-4749?
5 possible matches (shared part number, not a government interchangeability claim): 4820-01-414-2280, 4820-01-435-1021, 4820-01-435-1944. Verify interchangeability with system specifications before substitution.
What are the specifications of PI-NB2502 CDS-NN-P624D-16?
Key specifications for PI-NB2502 CDS-NN-P624D-16: Special Features: MATERIAL COPPER ALLOY. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-406-4749 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.