PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

85656Restrictor,fluid Flow

Hydro-Aire Aerospace Corp · NSN 4730-00-168-6193 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-168-6193 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-168-6193. Primary manufacturer part number: 85656.
Features
  • Restrictor,fluid Flow — FSC 4730
  • Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED
  • Design Type: PLATE
  • Orifice Diameter: 0.200 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
  • Hose/tube Size for Which Designed: 11/16 IN.OD TUBE IN
  • Surface Treatment: CHROMIUM OR CHROMATE ZINC
  • Material: STEEL
  • Outside Diameter: 0.725 INCHES MINIMUM AND 0.738 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel construction
General Description

The Restrictor,fluid Flow, cataloged under National Stock Number 4730-00-168-6193, 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 Hydro-Aire Aerospace Corp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-168-6193
Primary Part Number85656
Item NameRestrictor,fluid Flow
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusACTIVE
Thread ProvisionUNTHREADED LOCATION NOT OTHERWISE SPECIFIED
Design TypePLATE
Orifice Diameter0.200 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
Hose/tube Size for Which Designed11/16 IN.OD TUBE IN
Surface TreatmentCHROMIUM OR CHROMATE ZINC
MaterialSTEEL
Outside Diameter0.725 INCHES MINIMUM AND 0.738 INCHES MAXIMUM IN
Length0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5998-00-102-8648 INTERCHANGEABLE
Circuit Card Assembly
5365-01-228-020085656 INTERCHANGEABLE
Spacer,ring
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
5310-01-621-518185656 INTERCHANGEABLE
Washer,flat
Alloy Fastener Co
Cross-Reference Index
Part NumberManufacturer
85656 PRIMARY Hydro-Aire Aerospace Corp (USA)
D80286-5 Hydro-Aire Aerospace Corp (USA)
Related Parts
5998-00-102-8648INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5365-01-228-0200INTERCHANGEABLE
SPACER,RING
85656
5310-01-621-5181INTERCHANGEABLE
WASHER,FLAT
85656

Frequently Asked Questions

What is NSN 4730-00-168-6193?

NSN 4730-00-168-6193 is a Restrictor,fluid Flow, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-168-6193?

NSN 4730-00-168-6193 has 2 cross-referenced part numbers: 85656 (Hydro-Aire Aerospace Corp), D80286-5 (Hydro-Aire Aerospace Corp).

What NSN replaces 4730-00-168-6193?

There are 3 known substitutes for 4730-00-168-6193: 5998-00-102-8648, 5365-01-228-0200, 5310-01-621-5181. Verify interchangeability with system specifications before substitution.

What are the specifications of 85656?

Key specifications for 85656: Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED; Design Type: PLATE; Orifice Diameter: 0.200 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN; Hose/tube Size for Which Designed: 11/16 IN.OD TUBE IN. 8 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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