PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

443271C91Carburetor,float

Navistar Intl Corp Truck Br Ohio Plant · NSN 2910-00-003-0112 · FSC 2910 · No Item Name Available
Verified by PartsTable
NSN 2910-00-003-0112 — this item is cataloged by the U.S. Government under National Stock Number 2910-00-003-0112. Primary manufacturer part number: 443271C91.
Features
  • Carburetor,float — FSC 2910
  • Governor: NOT INCLUDED
  • Air Inlet Thread Location: INTERNAL
  • Vacuum Economizer: NOT INCLUDED
  • Degasser: INCLUDED
  • Accelerating Pump: INCLUDED
  • Fuel Outlet Flange Quantity: 1
  • Draft Direction: DOWN
Applications
  • Applications requiring Aluminum Body construction
General Description

The Carburetor,float, cataloged under National Stock Number 2910-00-003-0112, is classified within Federal Supply Class 2910 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Navistar Intl Corp Truck Br Ohio Plant. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2910-00-003-0112
Primary Part Number443271C91
Item NameCarburetor,float
FSC / FSG2910 / 29 — No Item Name Available
ManufacturerNavistar Intl Corp Truck Br Ohio Plant
StatusACTIVE
GovernorNOT INCLUDED
Air Inlet Thread LocationINTERNAL
Vacuum EconomizerNOT INCLUDED
DegasserINCLUDED
Accelerating PumpINCLUDED
Fuel Outlet Flange Quantity1
Draft DirectionDOWN
Inverted Flight ValveNOT INCLUDED
MaterialALUMINUM BODY
Float Chamber Quantity1
Air Inlet Thread Size3/8-16
Air Inlet Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Automatic ChokeNOT INCLUDED
Barrel Quantity2
Mounting Hole Quantity4
Mounting Hole Diameter0.356 INCHES NOMINAL IN
Mounting Hole Spacing5.125 IN. C TO C ALONG LG;3.440 IN. C TO C ALONG W IN
Fording FeatureNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5920-00-221-50289001027 INTERCHANGEABLE
Fuseholder,block
Us Army Aviation and Missile Command
5120-00-242-3256 INTERCHANGEABLE
Handle,socket Wrench
5821-00-327-43154574 INTERCHANGEABLE
Cap Assembly,ground
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
5365-01-101-9146 INTERCHANGEABLE
Bushing
Cross-Reference Index
Part NumberManufacturer
443271C91 PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
R4574A Colt Industries Inc Holley Automotive Div (USA)
398236C91 Navistar Intl Corp Truck Br Ohio Plant (USA)
4574 Triumph Engine Control Systems Llc (USA)
398236C91 Navistar International Corporation Dba Navistar (USA)
Related Parts
5920-00-221-5028INTERCHANGEABLE
FUSEHOLDER,BLOCK
9001027
5120-00-242-3256INTERCHANGEABLE
HANDLE,SOCKET WRENCH
5821-00-327-4315INTERCHANGEABLE
CAP ASSEMBLY,GROUND
4574
5365-01-101-9146INTERCHANGEABLE
BUSHING

Frequently Asked Questions

What is NSN 2910-00-003-0112?

NSN 2910-00-003-0112 is a Carburetor,float, manufactured by Navistar Intl Corp Truck Br Ohio Plant, classified under FSC 2910 (No Item Name Available). Status: active.

What are the part numbers for NSN 2910-00-003-0112?

NSN 2910-00-003-0112 has 5 cross-referenced part numbers: 443271C91 (Navistar Intl Corp Truck Br Ohio Plant), R4574A (Colt Industries Inc Holley Automotive Div), 398236C91 (Navistar Intl Corp Truck Br Ohio Plant), 4574 (Triumph Engine Control Systems Llc), 398236C91 (Navistar International Corporation Dba Navistar).

What NSN replaces 2910-00-003-0112?

There are 4 known substitutes for 2910-00-003-0112: 5920-00-221-5028, 5120-00-242-3256, 5821-00-327-4315 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 443271C91?

Key specifications for 443271C91: Governor: NOT INCLUDED; Air Inlet Thread Location: INTERNAL; Vacuum Economizer: NOT INCLUDED; Degasser: INCLUDED. 18 total characteristics are documented in the Federal Logistics Information System.

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