PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FRRL16Lock,valve Spring Retainer

Eaton Corp Dba Eaton Aerospace Jackson · NSN 2805-00-561-8661 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-561-8661 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-561-8661. Primary manufacturer part number: FRRL16.
Features
  • Lock,valve Spring Retainer — FSC 2805
  • 6 verified cross-references
  • Primary manufacturer: Eaton Corp Dba Eaton Aerospace Jackson
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Mechanical energy storage
  • Vibration dampening
General Description

The Lock,valve Spring Retainer, cataloged under National Stock Number 2805-00-561-8661, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Eaton Corp Dba Eaton Aerospace Jackson. This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameLock,valve Spring Retainer
FSC / FSG2805 — No Item Name Available (FSG 28)
ManufacturersNavistar Intl Corp Truck Br Ohio Plant (CAGE 89346); Komatsu American Intl Co (CAGE 29510); Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (CAGE 13841); Navistar International Corporation Dba Navistar (CAGE 31007); Komatsu America Corp. (CAGE 0SAT8)
Technical Specifications
ParameterValue
NSN2805-00-561-8661
Primary Part NumberFRRL16
Item NameLock,valve Spring Retainer
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerEaton Corp Dba Eaton Aerospace Jackson
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5120-00-203-4814 INTERCHANGEABLE
Wrench,open End
5310-00-254-423328028 INTERCHANGEABLE
Washer
John Deer Consumer Products Inc
5365-00-383-475452774H INTERCHANGEABLE
Shim
Navistar Intl Corp Truck Br Ohio Plant
5950-00-603-7153 INTERCHANGEABLE
Coil,radio Frequency
5331-00-982-655332469 INTERCHANGEABLE
O-Ring
Setra Systems, Inc. Dba Gems Sensors
5961-01-086-755428028 INTERCHANGEABLE
Semiconductor Device,diode
Eldec Aerospace Corp
4330-01-650-013390391 INTERCHANGEABLE
Adapter,fluid Filter
Ejay Filtration, Inc. Dba Ejay Filtration
1680-01-654-6016 INTERCHANGEABLE
Filler Neck,aircraft Components
Cross-Reference Index
Part NumberManufacturer
84484R3 Navistar Intl Corp Truck Br Ohio Plant (USA)
84484R3 Komatsu American Intl Co (USA)
28028 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
84484R3 Navistar International Corporation Dba Navistar (USA)
84484R3 Komatsu America Corp. (USA)
FRRL16 PRIMARY Eaton Corp Dba Eaton Aerospace Jackson (USA)
Related Parts
5120-00-203-4814INTERCHANGEABLE
WRENCH,OPEN END
5310-00-254-4233INTERCHANGEABLE
WASHER
28028
5365-00-383-4754INTERCHANGEABLE
SHIM
52774H
5950-00-603-7153INTERCHANGEABLE
COIL,RADIO FREQUENCY
5331-00-982-6553INTERCHANGEABLE
O-RING
32469
5961-01-086-7554INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
28028
4330-01-650-0133INTERCHANGEABLE
ADAPTER,FLUID FILTER
90391
1680-01-654-6016INTERCHANGEABLE
FILLER NECK,AIRCRAFT COMPONENTS

Frequently Asked Questions

What is NSN 2805-00-561-8661?

NSN 2805-00-561-8661 is a Lock,valve Spring Retainer, manufactured by Eaton Corp Dba Eaton Aerospace Jackson, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-561-8661?

NSN 2805-00-561-8661 has 6 cross-referenced part numbers: 84484R3 (Navistar Intl Corp Truck Br Ohio Plant), 84484R3 (Komatsu American Intl Co), 28028 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), 84484R3 (Navistar International Corporation Dba Navistar), 84484R3 (Komatsu America Corp.) and 1 more.

What NSN replaces 2805-00-561-8661?

There are 8 known substitutes for 2805-00-561-8661: 5120-00-203-4814, 5310-00-254-4233, 5365-00-383-4754 and 5 more. Verify interchangeability with system specifications before substitution.

Is NSN 2805-00-561-8661 still in active supply?

NSN 2805-00-561-8661 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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