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NSN 4820-01-455-4806Government record, cited
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Diaphragm, Actuator Valve, Special4820-01-455-4806

NSN 4820-01-455-4806 · NIIN 014554806 · Part number ABC3-550-500-337-FBJ-2
Bellofram Corp Diaphragm Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 61020
Government record, cited
NSN 4820-01-455-4806 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-455-4806. Manufacturer of record part number: ABC3-550-500-337-FBJ-2.
Also searched as  4820-01-455-4806 · 4820014554806 · NIIN 014554806 · 01-455-4806 · FSC 4820 Valves, Nonpowered · CAGE 61020 · ABC3-550-500-337-FBJ-2 · ABC3-550-337-FBJ-2 · 53X-02-285-1 · 53X-02-285-1
Nearby stock numbers  ·
⌀6.281 INCHES NOMINAL IN GATE VALVE PROFILE
4820-01-455-4806 — Valves, Nonpowered
Features
  • Diaphragm,actuator Valve,special — FSC 4820
  • Bead Diameter: 6.281 INCHES NOMINAL IN
  • Temp Rating: 120.0 CELSIUS NOMINAL DEGC
  • Outside Diameter: 6.611 INCHES NOMINAL IN
  • Taper Minor Diameter: 5.000 INCHES NOMINAL IN
  • Style Designator: SPECIAL SHAPED
  • Taper Major Diameter: 5.500 INCHES NOMINAL IN
  • Material Thickness: 0.350 INCHES NOMINAL IN
Identification
  • NSN: 4820-01-455-4806
  • NIIN: 014554806
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: ABC3-550-500-337-FBJ-2
  • Manufacturer: Bellofram Corp Diaphragm Div
General Description

The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-455-4806, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bellofram Corp Diaphragm Div. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-455-4806
Primary Part NumberABC3-550-500-337-FBJ-2
Item NameDiaphragm,actuator Valve,special
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerBellofram Corp Diaphragm Div
StatusACTIVE
Bead Diameter6.281 INCHES NOMINAL IN
Temp Rating120.0 CELSIUS NOMINAL DEGC
Outside Diameter6.611 INCHES NOMINAL IN
Taper Minor Diameter5.000 INCHES NOMINAL IN
Style DesignatorSPECIAL SHAPED
Taper Major Diameter5.500 INCHES NOMINAL IN
Material Thickness0.350 INCHES NOMINAL IN
Bolt Hole Quantity6
Bolt Circle Diameter3.000 INCHES NOMINAL IN
Center Hole Diameter0.630 INCHES NOMINAL IN
Media for Which DesignedAIR
MaterialRUBBER
Hole Diameter0.220 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
ABC3-550-500-337-FBJ-2 PRIMARY Bellofram Corp Diaphragm Div (USA)
Reference documents
ReferenceMeaning
ABC3-550-337-FBJ-2 5/9 Secondary reference
Bellofram Corp Diaphragm Div
53X-02-285-1 7/2 Vendor item drawing reference
Naval Sea Systems Command
53X-02-285-1 5/9 Secondary reference
Diaphragm Industries Inc
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
Related Parts in Valves
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
8171E-1/4HS2
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
D559A3M2
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 4820-01-455-4806?

NSN 4820-01-455-4806 is a Diaphragm,actuator Valve,special, manufactured by Bellofram Corp Diaphragm Div, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-455-4806?

NSN 4820-01-455-4806 has 1 manufacturer part number on file: ABC3-550-500-337-FBJ-2 (Bellofram Corp Diaphragm Div).

What are the specifications of ABC3-550-500-337-FBJ-2?

Key specifications for ABC3-550-500-337-FBJ-2: Overall Height: 3.370 INCHES NOMINAL IN; Bead Diameter: 6.281 INCHES NOMINAL IN; Temp Rating: 120.0 CELSIUS NOMINAL DEGC; Outside Diameter: 6.611 INCHES NOMINAL IN. 13 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-455-4806 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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