PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9R2028Restrictor,one Way

Crissair Inc Div Esco Technologies · NSN 4730-00-945-6805 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-945-6805 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-945-6805. Primary manufacturer part number: 9R2028.
Features
  • Restrictor,one Way — FSC 4730
  • 8 verified cross-references
  • Primary manufacturer: Crissair Inc Div Esco Technologies
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Restrictor,one Way, cataloged under National Stock Number 4730-00-945-6805, 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 Crissair Inc Div Esco Technologies. This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRestrictor,one Way
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersMoog Inc (CAGE 94697); E-Systems Inc Montek Div Fluid Controls Opns (CAGE 79294); Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (CAGE 19156); Crissair Inc Div Esco Technologies (CAGE 99240); Wampole Laboratories Div Denver Chemical Mfg Co (CAGE 24749)
Technical Specifications
ParameterValue
NSN4730-00-945-6805
Primary Part Number9R2028
Item NameRestrictor,one Way
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCrissair Inc Div Esco Technologies
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-148-6067PEI 4414 INTERCHANGEABLE
Reactor
Precision Electronics, Inc
5330-00-178-9795 INTERCHANGEABLE
Cork Sheet
5999-00-456-390024749 INTERCHANGEABLE
Housing,electronic Components
Hamilton Sundstrand Corporation Dba Collins Aerospace
5915-00-501-3469 INTERCHANGEABLE
Capacitor-Resistor
1660-00-890-55709776264-10 INTERCHANGEABLE
Parts Kit,air Flow Regulator
Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force
9905-01-225-760924749 INTERCHANGEABLE
Plate,identification
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Cross-Reference Index
Part NumberManufacturer
99240 Moog Inc (USA)
99240 E-Systems Inc Montek Div Fluid Controls Opns (USA)
24749 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
9R2028 PRIMARY Crissair Inc Div Esco Technologies (USA)
99240 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
24749 Moog Inc (USA)
24749 E-Systems Inc Montek Div Fluid Controls Opns (USA)
9R2028 Wampole Laboratories Div Denver Chemical Mfg Co (USA)
Related Parts
5950-00-148-6067INTERCHANGEABLE
REACTOR
PEI 4414
5330-00-178-9795INTERCHANGEABLE
CORK SHEET
5999-00-456-3900INTERCHANGEABLE
HOUSING,ELECTRONIC COMPONENTS
24749
5915-00-501-3469INTERCHANGEABLE
CAPACITOR-RESISTOR
1660-00-890-5570INTERCHANGEABLE
PARTS KIT,AIR FLOW REGULATOR
9776264-10
9905-01-225-7609INTERCHANGEABLE
PLATE,IDENTIFICATION
24749

Frequently Asked Questions

What is NSN 4730-00-945-6805?

NSN 4730-00-945-6805 is a Restrictor,one Way, manufactured by Crissair Inc Div Esco Technologies, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-945-6805?

NSN 4730-00-945-6805 has 8 cross-referenced part numbers: 99240 (Moog Inc), 99240 (E-Systems Inc Montek Div Fluid Controls Opns), 24749 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 9R2028 (Crissair Inc Div Esco Technologies), 99240 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City) and 3 more.

What NSN replaces 4730-00-945-6805?

There are 6 known substitutes for 4730-00-945-6805: 5950-00-148-6067, 5330-00-178-9795, 5999-00-456-3900 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com