NSN 4820-00-555-8936 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-555-8936. Manufacturer of record part number: 70474.
Manufacturer of record: Fluidyne Engineering Corp Dba Phoenix Solutions Co
Identification
NSN: 4820-00-555-8936
NIIN: 005558936
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 70474
Manufacturer: Fluidyne Engineering Corp Dba Phoenix Solutions Co
General Description
The Valve,butterfly, cataloged under National Stock Number 4820-00-555-8936, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fluidyne Engineering Corp Dba Phoenix Solutions Co. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-00-555-8936
Primary Part Number
70474
Item Name
Valve,butterfly
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Fluidyne Engineering Corp Dba Phoenix Solutions Co
Status
ACTIVE
Mounting Facility
THREADED FASTENER
Material
STEEL CORROSION RESISTING STEM
Valve Operation Method
MANUAL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2590-00-873-53267047-4POSSIBLE MATCH
BRACKET,EYE,ROTATING SHAFT
Possible match (shared part number)Pdi Ground Support Systems, Inc.
5935-00-882-22298153-8-4P-SP-F17POSSIBLE MATCH
CONNECTOR,RECEPTACLE,ELECTRICAL
Possible match (shared part number)Sealtron, Inc.
4320-01-261-1676116-292-3 PIECE 35POSSIBLE MATCH
SLEEVE,SHAFT,PUMP
Possible match (shared part number)Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
4810-01-383-454570474POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
Possible match (shared part number)Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5310-01-658-140170474POSSIBLE MATCH
WASHER,SEAL
Possible match (shared part number)Textron Lycoming Inc Williamsport Plant
Fluidyne Engineering Corp Dba Phoenix Solutions Co (USA)
Reference documents
Reference
Meaning
3314473
5/2Secondary reference
U.S. Government activity
Related Parts
2590-00-873-5326POSSIBLE MATCH
BRACKET,EYE,ROTATING SHAFT
7047-4
5935-00-882-2229POSSIBLE MATCH
CONNECTOR,RECEPTACLE,ELECTRICAL
8153-8-4P-SP-F17
4320-01-261-1676POSSIBLE MATCH
SLEEVE,SHAFT,PUMP
116-292-3 PIECE 35
4810-01-383-4545POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
70474
5310-01-658-1401POSSIBLE MATCH
WASHER,SEAL
70474
Frequently Asked Questions
What is NSN 4820-00-555-8936?
NSN 4820-00-555-8936 is a Valve,butterfly, manufactured by Fluidyne Engineering Corp Dba Phoenix Solutions Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-555-8936?
NSN 4820-00-555-8936 has 1 manufacturer part number on file: 70474 (Fluidyne Engineering Corp Dba Phoenix Solutions Co).
What NSN replaces 4820-00-555-8936?
5 possible matches (shared part number, not a government interchangeability claim): 2590-00-873-5326, 5935-00-882-2229, 4320-01-261-1676. Verify interchangeability with system specifications before substitution.
What are the specifications of 70474?
Key specifications for 70474: Mounting Facility: THREADED FASTENER; Material: STEEL CORROSION RESISTING STEM; Valve Operation Method: MANUAL. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-555-8936 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.