PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

67-0026-4Valve Assembly,environmental Con

Grimes Aerospace Company · NSN 1660-00-421-5451 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-421-5451 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-421-5451. Primary manufacturer part number: 67-0026-4.
Features
  • Valve Assembly,environmental Con — FSC 1660
  • 2 verified cross-references
  • Primary manufacturer: Grimes Aerospace Company
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assembly,environmental Con, cataloged under National Stock Number 1660-00-421-5451, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Grimes Aerospace Company. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-00-421-5451
Primary Part Number67-0026-4
Item NameValve Assembly,environmental Con
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerGrimes Aerospace Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5340-00-220-328125152 INTERCHANGEABLE
Seat,helical Compression Spring
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5133-00-228-1349200 1 INTERCHANGEABLE
Drill,twist
Michigan Drill Corp
5420-00-355-665613220E9150 INTERCHANGEABLE
Extractor,pin
Cecom Lr Center
5420-00-355-6960D2515-2 INTERCHANGEABLE
Roller,rocking
Cecom Lr Center
2825-00-373-06652-515-2 INTERCHANGEABLE
Wheel,turbine,blade
Dresser-Rand Group Inc
5365-00-433-532925152 INTERCHANGEABLE
Bushing,nonmetallic
Vse Aviation, Inc.
Cross-Reference Index
Part NumberManufacturer
2515-2 Fl Aerospace Corp Janitrol Aero Div/general Design (USA)
67-0026-4 PRIMARY Grimes Aerospace Company (USA)
Related Parts
5340-00-220-3281INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
25152
5133-00-228-1349INTERCHANGEABLE
DRILL,TWIST
200 1
5420-00-355-6656INTERCHANGEABLE
EXTRACTOR,PIN
13220E9150
5420-00-355-6960INTERCHANGEABLE
ROLLER,ROCKING
D2515-2
2825-00-373-0665INTERCHANGEABLE
WHEEL,TURBINE,BLADE
2-515-2
5365-00-433-5329INTERCHANGEABLE
BUSHING,NONMETALLIC
25152

Frequently Asked Questions

What is NSN 1660-00-421-5451?

NSN 1660-00-421-5451 is a Valve Assembly,environmental Con, manufactured by Grimes Aerospace Company, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-421-5451?

NSN 1660-00-421-5451 has 2 cross-referenced part numbers: 2515-2 (Fl Aerospace Corp Janitrol Aero Div/general Design), 67-0026-4 (Grimes Aerospace Company).

What NSN replaces 1660-00-421-5451?

There are 6 known substitutes for 1660-00-421-5451: 5340-00-220-3281, 5133-00-228-1349, 5420-00-355-6656 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 67-0026-4?

Key specifications for 67-0026-4: Part Name Assigned by Controlling Agency: ACTUATOR,VALVE. 1 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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