NSN 4820-01-321-6446 · NIIN 013216446 · Part number 4PDG9
W.w. Grainger, Inc. Div Government Sales Division · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 25795
Government record, cited
NSN 4820-01-321-6446 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-321-6446. Manufacturer of record part number: 4PDG9.
Manufacturer of record: W.w. Grainger, Inc. Div Government Sales Division
Identification
NSN: 4820-01-321-6446
NIIN: 013216446
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 4PDG9
Manufacturer: W.w. Grainger, Inc. Div Government Sales Division
General Description
The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-321-6446, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is W.w. Grainger, Inc. Div Government Sales Division. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Valve,regulating,fluid Pressure
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
W.w. Grainger, Inc. Div Government Sales Division (CAGE 25795)
W.w. Grainger, Inc. Div Government Sales Division (USA)
Reference documents
Reference
Meaning
3X727
5/9Secondary reference
W.w. Grainger, Inc. Div Government Sales Division
37S3-610
5/9Secondary reference
U.S. Government activity
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 4820-01-321-6446?
NSN 4820-01-321-6446 is a Valve,regulating,fluid Pressure, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-321-6446?
NSN 4820-01-321-6446 has 1 manufacturer part number on file: 4PDG9 (W.w. Grainger, Inc. Div Government Sales Division).
Is NSN 4820-01-321-6446 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.