PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1623-7Valve Assembly

Lcf Systems, Inc. · NSN 4820-01-375-5346 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-375-5346 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-375-5346. Primary manufacturer part number: 1623-7.
Features
  • Valve Assembly — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Lcf Systems, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assembly, cataloged under National Stock Number 4820-01-375-5346, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Lcf Systems, Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve Assembly
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLcf Systems, Inc. (CAGE 1CR65)
Technical Specifications
ParameterValue
NSN4820-01-375-5346
Primary Part Number1623-7
Item NameValve Assembly
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLcf Systems, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4720-00-008-993316237 INTERCHANGEABLE
Hose Assembly,nonmetallic
Forenta Lp
5331-00-122-0689L3006-106 INTERCHANGEABLE
O-Ring
Parker Hannifin Corporation Div Cylinder Division
5999-00-258-2601 INTERCHANGEABLE
Contact,electrical
5950-00-307-414416-237 INTERCHANGEABLE
Reactor
Leach International Corp Div Leach International Corporation
5930-00-966-979616237 INTERCHANGEABLE
Diaphragm Assembly
B E Aerospace Inc Services Div
5950-00-997-5676763-1673-001 INTERCHANGEABLE
Coil,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5945-01-048-852316237 INTERCHANGEABLE
Relay,electromagnetic
Astronautics Corporation of America
5342-01-121-508416237 INTERCHANGEABLE
Plate
Westerbeke Corporation
3110-01-213-838716237 INTERCHANGEABLE
Bearing,ball,annular
Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
6810-01-269-0066162-32 INTERCHANGEABLE
Phenolphthalein Solution
Hach Company Dba Hach Co
Cross-Reference Index
Part NumberManufacturer
1623-7 PRIMARY Lcf Systems, Inc. (USA)
Related Parts
4720-00-008-9933INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
16237
5331-00-122-0689INTERCHANGEABLE
O-RING
L3006-106
5999-00-258-2601INTERCHANGEABLE
CONTACT,ELECTRICAL
5950-00-307-4144INTERCHANGEABLE
REACTOR
16-237
5930-00-966-9796INTERCHANGEABLE
DIAPHRAGM ASSEMBLY
16237
5950-00-997-5676INTERCHANGEABLE
COIL,RADIO FREQUENCY
763-1673-001
5945-01-048-8523INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
16237
5342-01-121-5084INTERCHANGEABLE
PLATE
16237
3110-01-213-8387INTERCHANGEABLE
BEARING,BALL,ANNULAR
16237
6810-01-269-0066INTERCHANGEABLE
PHENOLPHTHALEIN SOLUTION
162-32
5120-01-335-1509INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW
16237
6515-01-590-3985INTERCHANGEABLE
SCREW,BONE
02.205.240

Frequently Asked Questions

What is NSN 4820-01-375-5346?

NSN 4820-01-375-5346 is a Valve Assembly, manufactured by Lcf Systems, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-375-5346?

NSN 4820-01-375-5346 has 1 cross-referenced part number: 1623-7 (Lcf Systems, Inc.).

What NSN replaces 4820-01-375-5346?

There are 12 known substitutes for 4820-01-375-5346: 4720-00-008-9933, 5331-00-122-0689, 5999-00-258-2601 and 9 more. Verify interchangeability with system specifications before substitution.

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