PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40818Flange,exhaust Mani

Brinkley Technology Group Llc Dba Hercules Manufacturing · NSN 2990-01-054-5869 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-054-5869 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-054-5869. Primary manufacturer part number: 40818.
Features
  • Flange,exhaust Mani — FSC 2990
  • 2 verified cross-references
  • Primary manufacturer: Brinkley Technology Group Llc Dba Hercules Manufacturing
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flange,exhaust Mani, cataloged under National Stock Number 2990-01-054-5869, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. This item has 2 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: Active.

Catalog Facts
Item NameFlange,exhaust Mani
FSC / FSG2990 — No Item Name Available (FSG 29)
ManufacturersBrinkley Technology Group Llc Dba Hercules Manufacturing (CAGE 1ML14); Hercules Engine Co Inc (CAGE 28265)
Technical Specifications
ParameterValue
NSN2990-01-054-5869
Primary Part Number40818
Item NameFlange,exhaust Mani
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerBrinkley Technology Group Llc Dba Hercules Manufacturing
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-125-933194239 INTERCHANGEABLE
Transformer,power
L3 Technologies, Inc. Div L3harris Edo Western Corporation
3120-00-167-8238171535J INTERCHANGEABLE
Bearing,sleeve
Curtiss-Wright Electro-Mechanical Corporation Div Epd
2815-00-179-635240818 INTERCHANGEABLE
Deflector,dirt and Liquid
Cummins Inc.
5930-00-233-8921TD156-0305 ITEM 1-27 INTERCHANGEABLE
Switch,toggle
Electric Boat Corporation Div General Dynamics Electric Boat
5365-00-506-57662143 INTERCHANGEABLE
Plug,machine Thread
Dipaco, Inc. L
5950-00-914-8897SMC542097 INTERCHANGEABLE
Coil,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5962-01-081-3442 INTERCHANGEABLE
Microcircuit,linear
5962-01-088-982240818 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
3020-01-155-018440818 INTERCHANGEABLE
Gear,spur
Liquid Controls, L.l.c. Div Idex Corporation
3120-01-245-0190 INTERCHANGEABLE
Bushing,sleeve
Cross-Reference Index
Part NumberManufacturer
40818 PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
40818 Hercules Engine Co Inc (USA)
Related Parts
5950-00-125-9331INTERCHANGEABLE
TRANSFORMER,POWER
94239
3120-00-167-8238INTERCHANGEABLE
BEARING,SLEEVE
171535J
2815-00-179-6352INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
40818
5930-00-233-8921INTERCHANGEABLE
SWITCH,TOGGLE
TD156-0305 ITEM 1-27
5365-00-506-5766INTERCHANGEABLE
PLUG,MACHINE THREAD
2143
5950-00-914-8897INTERCHANGEABLE
COIL,RADIO FREQUENCY
SMC542097
5962-01-081-3442INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-088-9822INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
40818
3020-01-155-0184INTERCHANGEABLE
GEAR,SPUR
40818
3120-01-245-0190INTERCHANGEABLE
BUSHING,SLEEVE
4330-01-364-2793INTERCHANGEABLE
FILTER ELEMENT,FLUID
40818
5120-01-430-2963INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 2990-01-054-5869?

NSN 2990-01-054-5869 is a Flange,exhaust Mani, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-054-5869?

NSN 2990-01-054-5869 has 2 cross-referenced part numbers: 40818 (Brinkley Technology Group Llc Dba Hercules Manufacturing), 40818 (Hercules Engine Co Inc).

What NSN replaces 2990-01-054-5869?

There are 12 known substitutes for 2990-01-054-5869: 5950-00-125-9331, 3120-00-167-8238, 2815-00-179-6352 and 9 more. Verify interchangeability with system specifications before substitution.

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