PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37030Parts Kit,check Valve

Kastle Aviation, Inc. Dba Kastle Aviation · NSN 4820-00-647-2335 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-647-2335 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-647-2335. Primary manufacturer part number: 37030.
Features
  • Parts Kit,check Valve — FSC 4820
  • Supply Items and Quantities: 1 CASE,1 BALL,1 SPRING,COPPER TUBING
  • Component Quantity: 4
  • 7 verified cross-references
  • Primary manufacturer: Kastle Aviation, Inc. Dba Kastle Aviation
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Parts Kit,check Valve, cataloged under National Stock Number 4820-00-647-2335, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Kastle Aviation, Inc. Dba Kastle Aviation. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-647-2335
Primary Part Number37030
Item NameParts Kit,check Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerKastle Aviation, Inc. Dba Kastle Aviation
StatusCANCELLED
Supply Items and Quantities1 CASE,1 BALL,1 SPRING,COPPER TUBING
Component Quantity4
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-045-52783078C1000L5M INTERCHANGEABLE
Clamp,hose
V I J Corp Div National Utilities Company
3455-00-232-903417429 INTERCHANGEABLE
Cutter,milling,side
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5360-00-248-48193078 INTERCHANGEABLE
Spring,helical,compression
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5961-00-481-5428 INTERCHANGEABLE
Transistor
5910-00-519-467937038-30 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Raytheon Company Dba Raytheon
2530-00-816-2014 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
5120-01-018-89765120-01-018-8976 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
6105-01-028-22343078 INTERCHANGEABLE
Stator,motor
Honeywell International Inc. Dba Honeywell International
4730-01-032-74263078C1375LM INTERCHANGEABLE
Clamp,hose
V I J Corp Div National Utilities Company
5930-01-046-94433078 INTERCHANGEABLE
Switch,code Indicating Wheel
Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch
Cross-Reference Index
Part NumberManufacturer
3078 R & M Energy Systems Tomball P (USA)
37030 4IN Cooper Industries Inc Flow Control Div (USA)
37030 PRIMARY Kastle Aviation, Inc. Dba Kastle Aviation (USA)
37030 Cooper Industries Inc Flow Control Div (USA)
37030 R & M Energy Systems Tomball P (USA)
CP35651REVBPC6T09-3IN Cooper Industries Inc Flow Control Div (USA)
AP42262PCALL3IN Cooper Industries Inc Flow Control Div (USA)
Related Parts
4730-00-045-5278INTERCHANGEABLE
CLAMP,HOSE
3078C1000L5M
3455-00-232-9034INTERCHANGEABLE
CUTTER,MILLING,SIDE
17429
5360-00-248-4819INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3078
5961-00-481-5428INTERCHANGEABLE
TRANSISTOR
5910-00-519-4679INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
37038-30
2530-00-816-2014INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
5120-01-018-8976INTERCHANGEABLE
BIT,SCREWDRIVER
5120-01-018-8976
6105-01-028-2234INTERCHANGEABLE
STATOR,MOTOR
3078
4730-01-032-7426INTERCHANGEABLE
CLAMP,HOSE
3078C1375LM
5930-01-046-9443INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
3078
7690-01-089-8682INTERCHANGEABLE
MARKER,IDENTIFICATION
3078
6680-01-098-2480INTERCHANGEABLE
RECEIVER,LIQUID LEV
37030-0105

Frequently Asked Questions

What is NSN 4820-00-647-2335?

NSN 4820-00-647-2335 is a Parts Kit,check Valve, manufactured by Kastle Aviation, Inc. Dba Kastle Aviation, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-647-2335?

NSN 4820-00-647-2335 has 7 cross-referenced part numbers: 3078 (R & M Energy Systems Tomball P), 37030 4IN (Cooper Industries Inc Flow Control Div), 37030 (Kastle Aviation, Inc. Dba Kastle Aviation), 37030 (Cooper Industries Inc Flow Control Div), 37030 (R & M Energy Systems Tomball P) and 2 more.

What NSN replaces 4820-00-647-2335?

There are 12 known substitutes for 4820-00-647-2335: 4730-00-045-5278, 3455-00-232-9034, 5360-00-248-4819 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 37030?

Key specifications for 37030: Supply Items and Quantities: 1 CASE,1 BALL,1 SPRING,COPPER TUBING; Component Quantity: 4. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-647-2335 still in active supply?

NSN 4820-00-647-2335 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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