PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

835-009PLBValve,ball

Perko Inc · NSN 4820-01-389-0450 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-389-0450 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-389-0450. Primary manufacturer part number: 835-009PLB.
Features
  • Valve,ball — FSC 4820
  • Material: PLASTIC FLOW CONTROL DEVICE
  • Nominal Thread Size: 2.000 INCHES ALL ENDS IN
  • Material: BRONZE BODY
  • Nominal Inside Diameter Hose Accommodated: 2.000 INCHES ALL ENDS IN
  • Valve Operation Method: MANUAL
  • Connection Type: UNTHREADED EXTERNAL HOSE SECOND END
  • Style Designator: STRAIGHT THRU
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Flow Control Device construction
General Description

The Valve,ball, cataloged under National Stock Number 4820-01-389-0450, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Perko Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-389-0450
Primary Part Number835-009PLB
Item NameValve,ball
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPerko Inc
StatusACTIVE
MaterialPLASTIC FLOW CONTROL DEVICE
Nominal Thread Size2.000 INCHES ALL ENDS IN
MaterialBRONZE BODY
Nominal Inside Diameter Hose Accommodated2.000 INCHES ALL ENDS IN
Valve Operation MethodMANUAL
Connection TypeUNTHREADED EXTERNAL HOSE SECOND END
Style DesignatorSTRAIGHT THRU
Thread DirectionRIGHT-HAND ALL ENDS
Connection StylePLAIN (PIPE) FIRST END
Connection TypeTHREADED EXTERNAL PIPE FIRST END
MaterialPLASTIC SEAT
Thread Series DesignatorNPT FIRST END
Connection StyleBARBED-BEADED (HOSE) SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-024-11704823-935021ALT1PC14INNER INTERCHANGEABLE
Strainer Element,sediment
Naval Ship Systems Command
5365-00-145-8492 INTERCHANGEABLE
Shim Slide Block
2530-00-164-3314A635 INTERCHANGEABLE
Clamp
Am General Llc
4820-00-287-5341 INTERCHANGEABLE
Valve,globe
5950-00-645-579018260 INTERCHANGEABLE
Transformer,power
Basler Electric Co
6625-00-855-151272P231601-9 INTERCHANGEABLE
Ammeter
Herley Chicago Dba Stewart Warner Electronics
2040-00-937-59051507-2IN INTERCHANGEABLE
Seacox,salt Water
Paxton Co
6930-01-035-96896295 INTERCHANGEABLE
Adapter Plate Assembly
Safran Power Usa, Llc
5330-01-101-48546-295 INTERCHANGEABLE
Seal,plain
893 Mfg, Llc
1650-01-347-8548DAA3221P602-101 INTERCHANGEABLE
Valve,fluid Pressure Regulating,
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
6295 Kainer Hy Styles Corp (USA)
1507-2IINWSTDTH North and Judd Inc Wilcox-Crittenden Div (USA)
5708WSTDTHRUHUL North and Judd Inc Wilcox-Crittenden Div (USA)
835-009PLB PRIMARY Perko Inc (USA)
1507-2IN Paxton Co (USA)
Related Parts
4730-00-024-1170INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
4823-935021ALT1PC14INNER
5365-00-145-8492INTERCHANGEABLE
SHIM SLIDE BLOCK
2530-00-164-3314INTERCHANGEABLE
CLAMP
A635
4820-00-287-5341INTERCHANGEABLE
VALVE,GLOBE
5950-00-645-5790INTERCHANGEABLE
TRANSFORMER,POWER
18260
6625-00-855-1512INTERCHANGEABLE
AMMETER
72P231601-9
2040-00-937-5905INTERCHANGEABLE
SEACOX,SALT WATER
1507-2IN
6930-01-035-9689INTERCHANGEABLE
ADAPTER PLATE ASSEMBLY
6295
5330-01-101-4854INTERCHANGEABLE
SEAL,PLAIN
6-295
1650-01-347-8548INTERCHANGEABLE
VALVE,FLUID PRESSURE REGULATING,
DAA3221P602-101
6509-01-569-7067INTERCHANGEABLE
DEXMEDTOMIDINE HYDROCHLORIDE INJ
10002752
6545-01-571-4470INTERCHANGEABLE
COMBAT LIFESAVER KIT
80-0159

Frequently Asked Questions

What is NSN 4820-01-389-0450?

NSN 4820-01-389-0450 is a Valve,ball, manufactured by Perko Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-389-0450?

NSN 4820-01-389-0450 has 5 cross-referenced part numbers: 6295 (Kainer Hy Styles Corp), 1507-2IINWSTDTH (North and Judd Inc Wilcox-Crittenden Div), 5708WSTDTHRUHUL (North and Judd Inc Wilcox-Crittenden Div), 835-009PLB (Perko Inc), 1507-2IN (Paxton Co).

What NSN replaces 4820-01-389-0450?

There are 12 known substitutes for 4820-01-389-0450: 4730-00-024-1170, 5365-00-145-8492, 2530-00-164-3314 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 835-009PLB?

Key specifications for 835-009PLB: Material: PLASTIC FLOW CONTROL DEVICE; Nominal Thread Size: 2.000 INCHES ALL ENDS IN; Material: BRONZE BODY; Nominal Inside Diameter Hose Accommodated: 2.000 INCHES ALL ENDS IN. 13 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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