PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53A68B27Seat,spear

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 1040-00-300-4211 · FSC 1040 · No Item Name Available
Verified by PartsTable
NSN 1040-00-300-4211 — this item is cataloged by the U.S. Government under National Stock Number 1040-00-300-4211. Primary manufacturer part number: 53A68B27.
Features
  • Seat,spear — FSC 1040
  • 3 verified cross-references
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Seat,spear, cataloged under National Stock Number 1040-00-300-4211, is classified within Federal Supply Class 1040 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,spear
FSC / FSG1040 — No Item Name Available (FSG 10)
ManufacturersNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003); L3harris Technologies, Inc. Div Space and Airborne Systems (CAGE 82340)
Technical Specifications
ParameterValue
NSN1040-00-300-4211
Primary Part Number53A68B27
Item NameSeat,spear
FSC / FSG1040 / 10 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5910-00-104-0863 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
5950-00-248-647116866 INTERCHANGEABLE
Reactor
Freed Transformer Co
5930-00-296-6238 INTERCHANGEABLE
Switch,push
5340-00-737-2857A792 INTERCHANGEABLE
Locking Plate,nut and Bolt
Am General Llc
5330-01-150-961316866 INTERCHANGEABLE
Seal,plain Encased
Dana Commercial Vehicle Products, Llc
Cross-Reference Index
Part NumberManufacturer
53A68B27 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
53A68B27 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
16866 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
Related Parts
5910-00-104-0863INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
5950-00-248-6471INTERCHANGEABLE
REACTOR
16866
5930-00-296-6238INTERCHANGEABLE
SWITCH,PUSH
5340-00-737-2857INTERCHANGEABLE
LOCKING PLATE,NUT AND BOLT
A792
5330-01-150-9613INTERCHANGEABLE
SEAL,PLAIN ENCASED
16866

Frequently Asked Questions

What is NSN 1040-00-300-4211?

NSN 1040-00-300-4211 is a Seat,spear, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1040 (No Item Name Available). Status: active.

What are the part numbers for NSN 1040-00-300-4211?

NSN 1040-00-300-4211 has 3 cross-referenced part numbers: 53A68B27 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 53A68B27 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 16866 (L3harris Technologies, Inc. Div Space and Airborne Systems).

What NSN replaces 1040-00-300-4211?

There are 5 known substitutes for 1040-00-300-4211: 5910-00-104-0863, 5950-00-248-6471, 5930-00-296-6238 and 2 more. Verify interchangeability with system specifications before substitution.

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