PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6564-01Restrictor,fluid Flow

Howell Laboratories Inc Dba Howell Laboratories Inc · NSN 4730-01-424-7327 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-424-7327 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-424-7327. Primary manufacturer part number: 6564-01.
Features
  • Restrictor,fluid Flow — FSC 4730
  • Material: COPPER ALLOY
  • 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 4730-01-424-7327, 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 1 verified specification, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-424-7327
Primary Part Number6564-01
Item NameRestrictor,fluid Flow
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHowell Laboratories Inc Dba Howell Laboratories Inc
StatusACTIVE
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-011-4489 INTERCHANGEABLE
Setscrew
4720-00-027-8476656-2 INTERCHANGEABLE
Tubing,nonmetallic
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
3120-00-431-164310161 INTERCHANGEABLE
Bearing,sleeve
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
6625-00-668-7193 INTERCHANGEABLE
Lead,test
5950-00-689-350152671909-1 INTERCHANGEABLE
Transformer,radio Frequency
Northrop Grumman Corp Electronic Systems Defensive System Div
8115-00-774-65624959 INTERCHANGEABLE
Box,shipping
Loye Keesee Dba Keesee Box Company Div Government Resource Pkg Prod
2915-01-118-981910-60529-2 INTERCHANGEABLE
Valve,fuel Shutoff
The Boeing Company Div Defense
5330-01-144-88306562 INTERCHANGEABLE
Gasket
Adk Pressure Equipment Corporation
2530-01-145-1889 INTERCHANGEABLE
Lining,friction
3030-01-326-91133VX530 INTERCHANGEABLE
Belt,v
Muviq Usa, Llc
Cross-Reference Index
Part NumberManufacturer
6564-01 PRIMARY Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
6564B-01 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
6562 REV C ITEM 4 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
6562 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
6562 ITEM 4 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
Related Parts
5305-00-011-4489INTERCHANGEABLE
SETSCREW
4720-00-027-8476INTERCHANGEABLE
TUBING,NONMETALLIC
656-2
3120-00-431-1643INTERCHANGEABLE
BEARING,SLEEVE
10161
6625-00-668-7193INTERCHANGEABLE
LEAD,TEST
5950-00-689-3501INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
52671909-1
8115-00-774-6562INTERCHANGEABLE
BOX,SHIPPING
4959
2915-01-118-9819INTERCHANGEABLE
VALVE,FUEL SHUTOFF
10-60529-2
5330-01-144-8830INTERCHANGEABLE
GASKET
6562
2530-01-145-1889INTERCHANGEABLE
LINING,FRICTION
3030-01-326-9113INTERCHANGEABLE
BELT,V
3VX530
4730-01-424-7333INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
6562 ITEM 8
4810-01-424-9795INTERCHANGEABLE
VALVE,SOLENOID
6577-G501

Frequently Asked Questions

What is NSN 4730-01-424-7327?

NSN 4730-01-424-7327 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 4730-01-424-7327?

NSN 4730-01-424-7327 has 5 cross-referenced part numbers: 6564-01 (Howell Laboratories Inc Dba Howell Laboratories Inc), 6564B-01 (Howell Laboratories Inc Dba Howell Laboratories Inc), 6562 REV C ITEM 4 (Howell Laboratories Inc Dba Howell Laboratories Inc), 6562 (Howell Laboratories Inc Dba Howell Laboratories Inc), 6562 ITEM 4 (Howell Laboratories Inc Dba Howell Laboratories Inc).

What NSN replaces 4730-01-424-7327?

There are 12 known substitutes for 4730-01-424-7327: 5305-00-011-4489, 4720-00-027-8476, 3120-00-431-1643 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6564-01?

Key specifications for 6564-01: End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS; Material: COPPER ALLOY. 2 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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