PartsTable TECHNICAL DATA SHEET
NSN 4820-01-374-9716Government record, cited

Diaphragm, Actuator Valve, Special4820-01-374-9716

NSN 4820-01-374-9716 · NIIN 013749716 · Part number 2515W090
Allied Defense Industries, Llc Dba Ams Distribution · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0GD25
Government record, cited
NSN 4820-01-374-9716 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-374-9716. Manufacturer of record part number: 2515W090.
Also searched as  4820-01-374-9716 · 4820013749716 · NIIN 013749716 · 01-374-9716 · FSC 4820 Valves, Nonpowered · CAGE 0GD25 · 2515W090
Nearby stock numbers  ·
Features
  • Diaphragm,actuator Valve,special — FSC 4820
  • Outside Diameter: 2.510 INCHES NOMINAL IN
  • Bolt Hole Quantity: 8
  • Bolt Circle Diameter: 1.650 INCHES NOMINAL IN
  • Material: RUBBER SILICONE
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Allied Defense Industries, Llc Dba Ams Distribution
Identification
  • NSN: 4820-01-374-9716
  • NIIN: 013749716
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 2515W090
  • Manufacturer: Allied Defense Industries, Llc Dba Ams Distribution
General Description

The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-374-9716, 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 4 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
ParameterValue
NSN4820-01-374-9716
Primary Part Number2515W090
Item NameDiaphragm,actuator Valve,special
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerAllied Defense Industries, Llc Dba Ams Distribution
StatusACTIVE
Outside Diameter2.510 INCHES NOMINAL IN
Bolt Hole Quantity8
Bolt Circle Diameter1.650 INCHES NOMINAL IN
MaterialRUBBER SILICONE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL Q — CCL Item — Commerce Control List
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
2515W090 PRIMARY Allied Defense Industries, Llc Dba Ams Distribution (USA)
2515W090 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 4820-01-374-9716?

NSN 4820-01-374-9716 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 4820-01-374-9716?

NSN 4820-01-374-9716 has 2 manufacturer part numbers on file: 2515W090 (Allied Defense Industries, Llc Dba Ams Distribution), 2515W090 (Honeywell Aerospace Yeovil Div Aerospace -Yeovil).

What are the specifications of 2515W090?

Key specifications for 2515W090: Outside Diameter: 2.510 INCHES NOMINAL IN; Bolt Hole Quantity: 8; Bolt Circle Diameter: 1.650 INCHES NOMINAL IN; End Item Identification: AIRCRAFT, B-2 BOMBER. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-374-9716 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 4820-01-374-9716?

NSN 4820-01-374-9716 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.
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