PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33-45-1.0-4Stem,fluid Valve

Velan Inc · NSN 4820-01-298-5354 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-298-5354 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-298-5354. Primary manufacturer part number: 33-45-1.0-4.
Features
  • Stem,fluid Valve — FSC 4820
  • Material: STEEL COMP 410
  • 2 verified cross-references
  • Primary manufacturer: Velan Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 410 construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-298-5354, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Velan Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-298-5354
Primary Part Number33-45-1.0-4
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVelan Inc
StatusACTIVE
MaterialSTEEL COMP 410
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-100-6150 INTERCHANGEABLE
Ball,bearing
5325-00-202-2515 INTERCHANGEABLE
Grommet,nonmetallic
2815-00-271-954985510A INTERCHANGEABLE
Valve,poppet,engine
Brinkley Technology Group Llc Dba Hercules Manufacturing
9320-00-618-0697 INTERCHANGEABLE
Rubber Sheet,cellular
5930-00-875-1059684-454-9002 INTERCHANGEABLE
Switch,rotary
Honeywell International Inc. Div Aerospace - Torrance
3110-01-246-7299 INTERCHANGEABLE
Bearing,ball,annular
4820-01-298-523033-45-1.0 INTERCHANGEABLE
Valve,globe
Velan Inc
4820-01-321-8101W03-2074B-02TS INTERCHANGEABLE
Valve,globe
Velan Inc
6515-01-490-51163345 INTERCHANGEABLE
Support,bow
Mizuho Orthopedic Systems, Inc. Dba Mizuho Orthopedic Systems Inc
6510-01-588-19633345 INTERCHANGEABLE
Film,skin Protective
Solventum Us Llc
Cross-Reference Index
Part NumberManufacturer
33-45-1.0-4 PRIMARY Velan Inc (CAN)
33-45 Velan Inc (CAN)
Related Parts
3110-00-100-6150INTERCHANGEABLE
BALL,BEARING
5325-00-202-2515INTERCHANGEABLE
GROMMET,NONMETALLIC
2815-00-271-9549INTERCHANGEABLE
VALVE,POPPET,ENGINE
85510A
9320-00-618-0697INTERCHANGEABLE
RUBBER SHEET,CELLULAR
5930-00-875-1059INTERCHANGEABLE
SWITCH,ROTARY
684-454-9002
3110-01-246-7299INTERCHANGEABLE
BEARING,BALL,ANNULAR
4820-01-298-5230INTERCHANGEABLE
VALVE,GLOBE
33-45-1.0
4820-01-321-8101INTERCHANGEABLE
VALVE,GLOBE
W03-2074B-02TS
6515-01-490-5116INTERCHANGEABLE
SUPPORT,BOW
3345
6510-01-588-1963INTERCHANGEABLE
FILM,SKIN PROTECTIVE
3345

Frequently Asked Questions

What is NSN 4820-01-298-5354?

NSN 4820-01-298-5354 is a Stem,fluid Valve, manufactured by Velan Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-298-5354?

NSN 4820-01-298-5354 has 2 cross-referenced part numbers: 33-45-1.0-4 (Velan Inc), 33-45 (Velan Inc).

What NSN replaces 4820-01-298-5354?

There are 10 known substitutes for 4820-01-298-5354: 3110-00-100-6150, 5325-00-202-2515, 2815-00-271-9549 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33-45-1.0-4?

Key specifications for 33-45-1.0-4: Material: STEEL COMP 410. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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