PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

136404Cover Assy,valve,ou

Honeywell International, Inc Div Aerospace-Tucson · NSN 1660-00-658-0742 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-658-0742 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-658-0742. Primary manufacturer part number: 136404.
Features
  • Cover Assy,valve,ou — FSC 1660
  • 4 verified cross-references
  • Primary manufacturer: Honeywell International, Inc Div Aerospace-Tucson
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Cover Assy,valve,ou, cataloged under National Stock Number 1660-00-658-0742, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCover Assy,valve,ou
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersHoneywell International, Inc Div Aerospace-Tucson (CAGE 64547); Alliedsignal Inc Dba Allied-Signal Aerospace Co (CAGE 72599); Nimikkeistokeskus Ncb Finland (CAGE A486G); Honeywell International Inc. Div Aerospace - Torrance (CAGE 70210)
Technical Specifications
ParameterValue
NSN1660-00-658-0742
Primary Part Number136404
Item NameCover Assy,valve,ou
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerHoneywell International, Inc Div Aerospace-Tucson
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5945-00-031-259313640-4 INTERCHANGEABLE
Ejector Solenoid
Itt Cannon Llc
6515-01-372-9854136404 INTERCHANGEABLE
Catheter,ureteral
C. R. Bard, Inc.
2510-01-478-3099136404 INTERCHANGEABLE
Frame Section,structural,vehicul
Chandler Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
136404 PRIMARY Honeywell International, Inc Div Aerospace-Tucson (USA)
136404 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
10197254 Nimikkeistokeskus Ncb Finland (FIN)
136404 Honeywell International Inc. Div Aerospace - Torrance (USA)
Related Parts
5945-00-031-2593INTERCHANGEABLE
EJECTOR SOLENOID
13640-4
6515-01-372-9854INTERCHANGEABLE
CATHETER,URETERAL
136404
2510-01-478-3099INTERCHANGEABLE
FRAME SECTION,STRUCTURAL,VEHICUL
136404

Frequently Asked Questions

What is NSN 1660-00-658-0742?

NSN 1660-00-658-0742 is a Cover Assy,valve,ou, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-658-0742?

NSN 1660-00-658-0742 has 4 cross-referenced part numbers: 136404 (Honeywell International, Inc Div Aerospace-Tucson), 136404 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 10197254 (Nimikkeistokeskus Ncb Finland), 136404 (Honeywell International Inc. Div Aerospace - Torrance).

What NSN replaces 1660-00-658-0742?

There are 3 known substitutes for 1660-00-658-0742: 5945-00-031-2593, 6515-01-372-9854, 2510-01-478-3099. Verify interchangeability with system specifications before substitution.

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