PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6564B-05Restrictor,fluid Flow

Howell Laboratories Inc Dba Howell Laboratories Inc · NSN 4730-01-424-9081 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-424-9081 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-424-9081. Primary manufacturer part number: 6564B-05.
Features
  • Restrictor,fluid Flow — FSC 4730
  • Material: COPPER ALLOY
  • Design Type: CONCAVE DISK
  • 5 verified cross-references
  • Primary manufacturer: Howell Laboratories Inc Dba Howell Laboratories Inc
Applications
  • Applications requiring Copper Alloy construction
General Description

The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-424-9081, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-424-9081
Primary Part Number6564B-05
Item NameRestrictor,fluid Flow
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHowell Laboratories Inc Dba Howell Laboratories Inc
StatusACTIVE
MaterialCOPPER ALLOY
Design TypeCONCAVE DISK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3030-00-012-25167190 INTERCHANGEABLE
Belt,v
Gates Corporation
4820-00-385-78897191362 INTERCHANGEABLE
Cock,plug
Army, United States Department of the Dba Rock Island Arsenal Jmtc
5920-00-409-5630 INTERCHANGEABLE
Discharger,electrostatic
5998-00-488-0755 INTERCHANGEABLE
Circuit Card Assembly
5940-00-984-4538 INTERCHANGEABLE
Terminal Board
6210-01-328-4778656405 INTERCHANGEABLE
Lens,front Panel
Fluke Corp
5935-01-360-18006719 INTERCHANGEABLE
Mold,potting,electrical Connecto
Aptiv Services 3 (us), Llc
4730-01-424-73546564B-03 INTERCHANGEABLE
Restrictor,fluid Flow
Howell Laboratories Inc Dba Howell Laboratories Inc
4730-01-424-90796564B-04 INTERCHANGEABLE
Restrictor,fluid Flow
Howell Laboratories Inc Dba Howell Laboratories Inc
Cross-Reference Index
Part NumberManufacturer
6564B-05 PRIMARY Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
6564-05 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
6719 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
6719 REVA ITEM 20 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
6719 ITEM 20 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
Related Parts
3030-00-012-2516INTERCHANGEABLE
BELT,V
7190
4820-00-385-7889INTERCHANGEABLE
COCK,PLUG
7191362
5920-00-409-5630INTERCHANGEABLE
DISCHARGER,ELECTROSTATIC
5998-00-488-0755INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5940-00-984-4538INTERCHANGEABLE
TERMINAL BOARD
6210-01-328-4778INTERCHANGEABLE
LENS,FRONT PANEL
656405
5935-01-360-1800INTERCHANGEABLE
MOLD,POTTING,ELECTRICAL CONNECTO
6719
4730-01-424-7354INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
6564B-03
4730-01-424-9079INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
6564B-04

Frequently Asked Questions

What is NSN 4730-01-424-9081?

NSN 4730-01-424-9081 is a Restrictor,fluid Flow, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-424-9081?

NSN 4730-01-424-9081 has 5 cross-referenced part numbers: 6564B-05 (Howell Laboratories Inc Dba Howell Laboratories Inc), 6564-05 (Howell Laboratories Inc Dba Howell Laboratories Inc), 6719 (Howell Laboratories Inc Dba Howell Laboratories Inc), 6719 REVA ITEM 20 (Howell Laboratories Inc Dba Howell Laboratories Inc), 6719 ITEM 20 (Howell Laboratories Inc Dba Howell Laboratories Inc).

What NSN replaces 4730-01-424-9081?

There are 9 known substitutes for 4730-01-424-9081: 3030-00-012-2516, 4820-00-385-7889, 5920-00-409-5630 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6564B-05?

Key specifications for 6564B-05: End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS; Material: COPPER ALLOY; Design Type: CONCAVE DISK. 3 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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