NSN 4820-01-435-9440 · NIIN 014359440 · Part number 3978-004
Cooper Cameron Corp Cooper Cameron Valves Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 15645
Government record, cited
NSN 4820-01-435-9440 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-435-9440. Manufacturer of record part number: 3978-004.
Also searched as4820-01-435-9440 ·
4820014359440 ·
NIIN 014359440 ·
01-435-9440 ·
FSC 4820 Valves, Nonpowered · CAGE 15645 · 3978-004
Pressure Rating: 175.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Style Designator: SOLID
1 manufacturer part number on file
Manufacturer of record: Cooper Cameron Corp Cooper Cameron Valves Div
Identification
NSN: 4820-01-435-9440
NIIN: 014359440
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 3978-004
Manufacturer: Cooper Cameron Corp Cooper Cameron Valves Div
General Description
The Disk,valve, cataloged under National Stock Number 4820-01-435-9440, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cooper Cameron Corp Cooper Cameron Valves Div. Government technical data includes 2 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. Current acquisition status: Active.
Cooper Cameron Corp Cooper Cameron Valves Div (USA)
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 4820-01-435-9440?
NSN 4820-01-435-9440 is a Disk,valve, manufactured by Cooper Cameron Corp Cooper Cameron Valves Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-435-9440?
NSN 4820-01-435-9440 has 1 manufacturer part number on file: 3978-004 (Cooper Cameron Corp Cooper Cameron Valves Div).
What are the specifications of 3978-004?
Key specifications for 3978-004: Pressure Rating: 175.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Style Designator: SOLID; Special Features: MANGANESE BRONZE MATERIAL PER ASTM B-584 ALLOY 865;; End Item Identification: 14.0 IN. DEMCO BUTTERFLY VALVE IN. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-435-9440 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.