PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

665Seat,aircraft

Ami Industries, Inc Div Utc Aerospace Systems · NSN 1680-00-540-9666 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-00-540-9666 — this item is cataloged by the U.S. Government under National Stock Number 1680-00-540-9666. Primary manufacturer part number: 665.
Features
  • Seat,aircraft — FSC 1680
  • FSC Application Data: EQUIPMENT INSTALLATION FORWARD FUSELAGE,AIRCRAFT
  • Upholstered Portion: ARMREST AND BACK AND HEADREST AND SEAT
  • Adjustability: ADJUSTABLE
  • Adjustment Type: VERTICAL AND TILT
  • Seating Capacity: 1
  • Mounting Type: TRACK
  • 4 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Seat,aircraft, cataloged under National Stock Number 1680-00-540-9666, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Ami Industries, Inc Div Utc Aerospace Systems. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN1680-00-540-9666
Primary Part Number665
Item NameSeat,aircraft
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerAmi Industries, Inc Div Utc Aerospace Systems
StatusCANCELLED
FSC Application DataEQUIPMENT INSTALLATION FORWARD FUSELAGE,AIRCRAFT
Upholstered PortionARMREST AND BACK AND HEADREST AND SEAT
AdjustabilityADJUSTABLE
Adjustment TypeVERTICAL AND TILT
Seating Capacity1
Mounting TypeTRACK
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3610-00-045-1631 INTERCHANGEABLE
Feeder
9340-00-064-0018 INTERCHANGEABLE
Tubing,glass
2090-00-082-103356-6 INTERCHANGEABLE
Blade,windshield Wiper
Cornell-Carr Co., Inc.
5940-00-082-4952566 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
3110-00-100-02851B3921 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Caterpillar Inc Div Caterpillar Defense
6145-00-195-0137 INTERCHANGEABLE
Wire,electrical
5935-00-258-4449SM-C-125742 INTERCHANGEABLE
Cover,electrical Connector
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
8030-00-407-7604409 INTERCHANGEABLE
Sealing Compound
Uniseal Inc
5310-00-415-0069 INTERCHANGEABLE
Washer,flat
5340-00-497-34541809 3-4 INTERCHANGEABLE
Catch,clamping
Emhart Industries Inc Corbin Cabinet Lock Hardware Div
Cross-Reference Index
Part NumberManufacturer
1680PL1964072 Jednolity Indeks Materialowy - Uniform Material Index (POL)
589 Ami Industries, Inc Div Utc Aerospace Systems (USA)
665 PRIMARY Ami Industries, Inc Div Utc Aerospace Systems (USA)
566 Ami Industries, Inc Div Utc Aerospace Systems (USA)
Related Parts
3610-00-045-1631INTERCHANGEABLE
FEEDER
9340-00-064-0018INTERCHANGEABLE
TUBING,GLASS
2090-00-082-1033INTERCHANGEABLE
BLADE,WINDSHIELD WIPER
56-6
5940-00-082-4952INTERCHANGEABLE
TERMINAL,LUG
566
3110-00-100-0285INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
1B3921
6145-00-195-0137INTERCHANGEABLE
WIRE,ELECTRICAL
5935-00-258-4449INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
SM-C-125742
8030-00-407-7604INTERCHANGEABLE
SEALING COMPOUND
409
5310-00-415-0069INTERCHANGEABLE
WASHER,FLAT
5340-00-497-3454INTERCHANGEABLE
CATCH,CLAMPING
1809 3-4
1005-00-603-8601INTERCHANGEABLE
KNOB,WINDAGE,REAR S
5306-00-693-7366INTERCHANGEABLE
BOLT,INTERNALLY RELIEVED BODY

Frequently Asked Questions

What is NSN 1680-00-540-9666?

NSN 1680-00-540-9666 is a Seat,aircraft, manufactured by Ami Industries, Inc Div Utc Aerospace Systems, classified under FSC 1680 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1680-00-540-9666?

NSN 1680-00-540-9666 has 4 cross-referenced part numbers: 1680PL1964072 (Jednolity Indeks Materialowy - Uniform Material Index), 589 (Ami Industries, Inc Div Utc Aerospace Systems), 665 (Ami Industries, Inc Div Utc Aerospace Systems), 566 (Ami Industries, Inc Div Utc Aerospace Systems).

What NSN replaces 1680-00-540-9666?

There are 12 known substitutes for 1680-00-540-9666: 3610-00-045-1631, 9340-00-064-0018, 2090-00-082-1033 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 665?

Key specifications for 665: FSC Application Data: EQUIPMENT INSTALLATION FORWARD FUSELAGE,AIRCRAFT; Overall Height: 45.000 INCHES NOMINAL IN; Overall Length: 29.000 INCHES NOMINAL IN; Upholstered Portion: ARMREST AND BACK AND HEADREST AND SEAT. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 1680-00-540-9666 still in active supply?

NSN 1680-00-540-9666 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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