NSN 4820-01-375-1916 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-375-1916. Manufacturer of record part number: 2349W340.
Also searched as4820-01-375-1916 ·
4820013751916 ·
NIIN 013751916 ·
01-375-1916 ·
FSC 4820 Valves, Nonpowered · CAGE 0GD25 · 2349W340
Pressure Rating: 41.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Outside Diameter: 2.125 INCHES NOMINAL IN
Style Designator: SPECIAL SHAPED
Material Document and Classification: ZZ-R-765, CLASS 3, GRADE 50 FED SPEC SINGLE MATERIAL RESPONSE
Material: RUBBER SILICONE
2 manufacturer part numbers on file
Manufacturer of record: Allied Defense Industries, Llc Dba Ams Distribution
Identification
NSN: 4820-01-375-1916
NIIN: 013751916
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 2349W340
Manufacturer: Allied Defense Industries, Llc Dba Ams Distribution
General Description
The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-375-1916, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Allied Defense Industries, Llc Dba Ams Distribution. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-375-1916
Primary Part Number
2349W340
Item Name
Diaphragm,actuator Valve,special
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Allied Defense Industries, Llc Dba Ams Distribution
Status
ACTIVE
Pressure Rating
41.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Outside Diameter
2.125 INCHES NOMINAL IN
Style Designator
SPECIAL SHAPED
Material Document and Classification
ZZ-R-765, CLASS 3, GRADE 50 FED SPEC SINGLE MATERIAL RESPONSE
Honeywell Aerospace Yeovil Div Aerospace -Yeovil (GBR)
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 4820-01-375-1916?
NSN 4820-01-375-1916 is a Diaphragm,actuator Valve,special, manufactured by Allied Defense Industries, Llc Dba Ams Distribution, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-375-1916?
NSN 4820-01-375-1916 has 2 manufacturer part numbers on file: 2349W340 (Allied Defense Industries, Llc Dba Ams Distribution), 2349W340 (Honeywell Aerospace Yeovil Div Aerospace -Yeovil).
What are the specifications of 2349W340?
Key specifications for 2349W340: Overall Height: 0.228 INCHES NOMINAL IN; Pressure Rating: 41.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Outside Diameter: 2.125 INCHES NOMINAL IN; Style Designator: SPECIAL SHAPED. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-375-1916 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.
What is the DEMIL code for NSN 4820-01-375-1916?
NSN 4820-01-375-1916 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.