PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TA12N400Generator,engine Accessory

General Dynamics Mission Systems, Inc. Dba Gdms · NSN 2920-00-706-8169 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-00-706-8169 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-706-8169. Primary manufacturer part number: TA12N400.
Features
  • Generator,engine Accessory — FSC 2920
  • Distance Between Shaft Center and Bottom Mounting Hole Center: 3.437 INCHES NOMINAL IN
  • Shaft Drive End Style: STRAIGHT SHAFT END, THREADED, W/KEYWAY
  • Thread Direction: RIGHT-HAND
  • Pilot Diameter: 2.250 INCHES NOMINAL IN
  • Angular Deviation of First Hole From Top Center in Deg: 180.0
  • Unthreaded Portion Length: 0.585 INCHES NOMINAL IN
  • Mounting Style: FLANGE MTD W/TWO MTG HOLES, TOP HOLE THREADED
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Generator,engine Accessory, cataloged under National Stock Number 2920-00-706-8169, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is General Dynamics Mission Systems, Inc. Dba Gdms. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2920-00-706-8169
Primary Part NumberTA12N400
Item NameGenerator,engine Accessory
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerGeneral Dynamics Mission Systems, Inc. Dba Gdms
StatusCANCELLED
Distance Between Shaft Center and Bottom Mounting Hole Center3.437 INCHES NOMINAL IN
Shaft Drive End StyleSTRAIGHT SHAFT END, THREADED, W/KEYWAY
Thread DirectionRIGHT-HAND
Pilot Diameter2.250 INCHES NOMINAL IN
Angular Deviation of First Hole From Top Center in Deg180.0
Unthreaded Portion Length0.585 INCHES NOMINAL IN
Mounting StyleFLANGE MTD W/TWO MTG HOLES, TOP HOLE THREADED
Grounding MethodINTERNAL
Second Step Diameter0.630 INCHES NOMINAL IN
Thread Diameter0.625 INCHES NOMINAL IN
SubmersibilityNONSUBMERSIBLE
Distance From End to Keyway Center0.750 INCHES NOMINAL IN
Voltage in Volts12.0
Pilot Height0.400 INCHES NOMINAL IN
Mounting Hole Thread Quantity Per Inch18
Bottom Mounting Hole Diameter0.385 INCHES NOMINAL IN
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Length0.490 INCHES NOMINAL IN
Keyway Length0.562 INCHES NOMINAL IN
Thread SeriesUNF
Ground Polarity TypeNEGATIVE
Mounting Hole Thread Class2B
Mounting Hole Thread DirectionRIGHT-HAND
Mounting Hole Thread Diameter0.312 INCHES NOMINAL IN
Thread Class2A A
Distance Between Shaft Center and Top Mounting Hole Center3.327 INCHES NOMINAL IN
Keyway Width0.125 INCHES NOMINAL IN
Shaft Rotation DirectionCOUNTERCLOCKWISE
Maximum Output Current Rating in Amps30.0
Angular Deviation of Second Hole From First Hole in Deg180.0
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5930-00-296-498141473 INTERCHANGEABLE
Bar,actuator,electrical Switch
Safran Power Usa Llc
2510-00-734-95942219 INTERCHANGEABLE
Pawl Latch Lever
Kenworth Truck Co a Div of Paccar Inc
5962-01-110-1668 INTERCHANGEABLE
Microcircuit
6680-01-130-012741473 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
5950-01-189-3194 INTERCHANGEABLE
Transformer,power
2920-01-220-6424693021 INTERCHANGEABLE
Generator,engine Accessory
Mitsubishi Caterpillar Forklift America, Inc
5360-01-422-8255693021 INTERCHANGEABLE
Spring,helical,compression
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
5120-01-528-385600941473000 INTERCHANGEABLE
Screwdriver,six Point Tip
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
Cross-Reference Index
Part NumberManufacturer
693021 Caterpillar Inc Div Caterpillar Defense (USA)
TA12N400 Motorola Automotive Electronics (USA)
TA12N400 Motorola Inc. Dba Integrated Information Systems Group (USA)
41473 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
TA12N400 PRIMARY General Dynamics Mission Systems, Inc. Dba Gdms (USA)
Related Parts
5930-00-296-4981INTERCHANGEABLE
BAR,ACTUATOR,ELECTRICAL SWITCH
41473
2510-00-734-9594INTERCHANGEABLE
PAWL LATCH LEVER
2219
5962-01-110-1668INTERCHANGEABLE
MICROCIRCUIT
6680-01-130-0127INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
41473
5950-01-189-3194INTERCHANGEABLE
TRANSFORMER,POWER
2920-01-220-6424INTERCHANGEABLE
GENERATOR,ENGINE ACCESSORY
693021
5360-01-422-8255INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
693021
5120-01-528-3856INTERCHANGEABLE
SCREWDRIVER,SIX POINT TIP
00941473000

Frequently Asked Questions

What is NSN 2920-00-706-8169?

NSN 2920-00-706-8169 is a Generator,engine Accessory, manufactured by General Dynamics Mission Systems, Inc. Dba Gdms, classified under FSC 2920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2920-00-706-8169?

NSN 2920-00-706-8169 has 5 cross-referenced part numbers: 693021 (Caterpillar Inc Div Caterpillar Defense), TA12N400 (Motorola Automotive Electronics), TA12N400 (Motorola Inc. Dba Integrated Information Systems Group), 41473 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), TA12N400 (General Dynamics Mission Systems, Inc. Dba Gdms).

What NSN replaces 2920-00-706-8169?

There are 8 known substitutes for 2920-00-706-8169: 5930-00-296-4981, 2510-00-734-9594, 5962-01-110-1668 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TA12N400?

Key specifications for TA12N400: Distance Between Shaft Center and Bottom Mounting Hole Center: 3.437 INCHES NOMINAL IN; Shaft Drive End Style: STRAIGHT SHAFT END, THREADED, W/KEYWAY; Thread Direction: RIGHT-HAND; Pilot Diameter: 2.250 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2920-00-706-8169 still in active supply?

NSN 2920-00-706-8169 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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