PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3149-1Restrictor Assembly

Kearflex Engineering Company · NSN 6610-01-223-3193 · FSC 6610 · No Item Name Available
Verified by PartsTable
NSN 6610-01-223-3193 — this item is cataloged by the U.S. Government under National Stock Number 6610-01-223-3193. Primary manufacturer part number: 3149-1.
Features
  • Restrictor Assembly — FSC 6610
  • 1 verified cross-reference
  • Primary manufacturer: Kearflex Engineering Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Restrictor Assembly, cataloged under National Stock Number 6610-01-223-3193, is classified within Federal Supply Class 6610 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Kearflex Engineering Company. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRestrictor Assembly
FSC / FSG6610 — No Item Name Available (FSG 66)
ManufacturersKearflex Engineering Company (CAGE 26136)
Technical Specifications
ParameterValue
NSN6610-01-223-3193
Primary Part Number3149-1
Item NameRestrictor Assembly
FSC / FSG6610 / 66 — No Item Name Available
ManufacturerKearflex Engineering Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5110-00-242-0146 INTERCHANGEABLE
File,hand
2805-00-571-230831491 INTERCHANGEABLE
Head,cylinder
Brinkley Technology Group Llc Dba Hercules Manufacturing
5950-01-457-97048521575-1 INTERCHANGEABLE
Reactor
Honeywell International Inc. Dba Honeywell International
4730-01-642-237431491 INTERCHANGEABLE
Tee,pipe
Do It Best Commerce Company, Llc
Cross-Reference Index
Part NumberManufacturer
3149-1 PRIMARY Kearflex Engineering Company (USA)
Related Parts
5110-00-242-0146INTERCHANGEABLE
FILE,HAND
2805-00-571-2308INTERCHANGEABLE
HEAD,CYLINDER
31491
5950-01-457-9704INTERCHANGEABLE
REACTOR
8521575-1
4730-01-642-2374INTERCHANGEABLE
TEE,PIPE
31491

Frequently Asked Questions

What is NSN 6610-01-223-3193?

NSN 6610-01-223-3193 is a Restrictor Assembly, manufactured by Kearflex Engineering Company, classified under FSC 6610 (No Item Name Available). Status: active.

What are the part numbers for NSN 6610-01-223-3193?

NSN 6610-01-223-3193 has 1 cross-referenced part number: 3149-1 (Kearflex Engineering Company).

What NSN replaces 6610-01-223-3193?

There are 4 known substitutes for 6610-01-223-3193: 5110-00-242-0146, 2805-00-571-2308, 5950-01-457-9704 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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