PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9766139-10Parts Kit,valve,ove

Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force · NSN 1660-00-704-2121 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-704-2121 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-704-2121. Primary manufacturer part number: 9766139-10.
Features
  • Parts Kit,valve,ove — FSC 1660
  • 3 verified cross-references
  • Primary manufacturer: Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Parts Kit,valve,ove, cataloged under National Stock Number 1660-00-704-2121, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force. This item has 3 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.

Catalog Facts
Item NameParts Kit,valve,ove
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersHamilton Sundstrand Corporation Dba Collins Aerospace (CAGE 73030); Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (CAGE 98748)
Technical Specifications
ParameterValue
NSN1660-00-704-2121
Primary Part Number9766139-10
Item NameParts Kit,valve,ove
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerAir Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6610-00-497-379914355 INTERCHANGEABLE
Arm and Stud Assy
Aerosonic Llc
5950-00-864-4978579R127H01 INTERCHANGEABLE
Reactor
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
2990-01-019-724814355-A INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
5985-01-048-090914355 INTERCHANGEABLE
Adapter,antenna Mou
Dayton-Granger, Inc.
5310-01-349-884514355 INTERCHANGEABLE
Locknut,rapid Alignment
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4820-01-370-013814355 INTERCHANGEABLE
Valve,safety Relief
Dover Corp Groen Div
Cross-Reference Index
Part NumberManufacturer
19893-1 Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
9766139-10 PRIMARY Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA)
14355 Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
6610-00-497-3799INTERCHANGEABLE
ARM AND STUD ASSY
14355
5950-00-864-4978INTERCHANGEABLE
REACTOR
579R127H01
2990-01-019-7248INTERCHANGEABLE
MUFFLER,EXHAUST
14355-A
5985-01-048-0909INTERCHANGEABLE
ADAPTER,ANTENNA MOU
14355
5310-01-349-8845INTERCHANGEABLE
LOCKNUT,RAPID ALIGNMENT
14355
4820-01-370-0138INTERCHANGEABLE
VALVE,SAFETY RELIEF
14355

Frequently Asked Questions

What is NSN 1660-00-704-2121?

NSN 1660-00-704-2121 is a Parts Kit,valve,ove, manufactured by Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-704-2121?

NSN 1660-00-704-2121 has 3 cross-referenced part numbers: 19893-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 9766139-10 (Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force), 14355 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 1660-00-704-2121?

There are 6 known substitutes for 1660-00-704-2121: 6610-00-497-3799, 5950-00-864-4978, 2990-01-019-7248 and 3 more. Verify interchangeability with system specifications before substitution.

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