PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-221Parts Kit,carburetor

Colt Industries Inc Holley Automotive Div · NSN 2910-01-123-3849 · FSC 2910 · No Item Name Available
Verified by PartsTable
NSN 2910-01-123-3849 — this item is cataloged by the U.S. Government under National Stock Number 2910-01-123-3849. Primary manufacturer part number: 4-221.
Features
  • Parts Kit,carburetor — FSC 2910
  • Component Quantity: 8
  • Nonsupply Items and Quantities: 29092 3R-579A CHOKE SHAFT AND LEVER ASSEMBLY 1;29092 9R-160 THROTTLE PLATE 1;29092 12R-4911A THROTTLE BODY AND SHAFT ASSEMBLY 1;29092 6-126 FUEL INLET AND NEEDLE SEAT ASSEMBLY 1;29092 19R-214 SPARK FITTING 1;29092 22R-40-68 MAIN JET 1;29092 41R-652A FAST IDLE CAM AND SWIVEL ASSEMBLY 1;29092 43R-474 FAST IDLE ROD 1 A
  • 1 verified cross-reference
  • Primary manufacturer: Colt Industries Inc Holley Automotive Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Parts Kit,carburetor, cataloged under National Stock Number 2910-01-123-3849, is classified within Federal Supply Class 2910 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Colt Industries Inc Holley Automotive Div. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2910-01-123-3849
Primary Part Number4-221
Item NameParts Kit,carburetor
FSC / FSG2910 / 29 — No Item Name Available
ManufacturerColt Industries Inc Holley Automotive Div
StatusACTIVE
Component Quantity8
Nonsupply Items and Quantities29092 3R-579A CHOKE SHAFT AND LEVER ASSEMBLY 1;29092 9R-160 THROTTLE PLATE 1;29092 12R-4911A THROTTLE BODY AND SHAFT ASSEMBLY 1;29092 6-126 FUEL INLET AND NEEDLE SEAT ASSEMBLY 1;29092 19R-214 SPARK FITTING 1;29092 22R-40-68 MAIN JET 1;29092 41R-652A FAST IDLE CAM AND SWIVEL ASSEMBLY 1;29092 43R-474 FAST IDLE ROD 1 A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-015-9138 INTERCHANGEABLE
Leg,case
9390-00-297-2001AS0422-1 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
Naval Inventory Control Point
3020-00-517-0618D142 INTERCHANGEABLE
Gear,helical
Fairbanks Morse, Llc
6625-00-585-38668616294 INTERCHANGEABLE
Resistance Standard
Us Army Aviation and Missile Command
6135-00-880-1026221 INTERCHANGEABLE
Battery,nonrechargeable
American National Standards Institute Incorporated Dba American National Standards Institute
3010-00-893-497642-2-1-32 INTERCHANGEABLE
Actuator,electromechanical,rotar
Celtech Corporation Div Use CAGE 65552 for All Orders
6515-01-061-62031A8506 INTERCHANGEABLE
Blood Collecting and Dispensing
Baxter Healthcare Corp IV Systems/gov Sales
5330-01-090-23404221 INTERCHANGEABLE
Gasket
Bunn-O-Matic Corporation Div Government Sales
4940-01-090-8229 INTERCHANGEABLE
Tester,hydraulic Hose Assembly
6625-01-094-8486 INTERCHANGEABLE
Calibrator,audio Level
Cross-Reference Index
Part NumberManufacturer
4-221 Colt Industries Inc Holley Automotive Div (USA)
Related Parts
5340-00-015-9138INTERCHANGEABLE
LEG,CASE
9390-00-297-2001INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
AS0422-1
3020-00-517-0618INTERCHANGEABLE
GEAR,HELICAL
D142
6625-00-585-3866INTERCHANGEABLE
RESISTANCE STANDARD
8616294
6135-00-880-1026INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
221
3010-00-893-4976INTERCHANGEABLE
ACTUATOR,ELECTROMECHANICAL,ROTAR
42-2-1-32
6515-01-061-6203INTERCHANGEABLE
BLOOD COLLECTING AND DISPENSING
1A8506
5330-01-090-2340INTERCHANGEABLE
GASKET
4221
4940-01-090-8229INTERCHANGEABLE
TESTER,HYDRAULIC HOSE ASSEMBLY
6625-01-094-8486INTERCHANGEABLE
CALIBRATOR,AUDIO LEVEL
6850-01-126-3103INTERCHANGEABLE
TONER-DISPERSANT KIT,PHOTOGRAPHI
4221
5340-01-285-4752INTERCHANGEABLE
STANDOFF,THREADED,SPACING
NAS1830B04B06

Frequently Asked Questions

What is NSN 2910-01-123-3849?

NSN 2910-01-123-3849 is a Parts Kit,carburetor, manufactured by Colt Industries Inc Holley Automotive Div, classified under FSC 2910 (No Item Name Available). Status: active.

What are the part numbers for NSN 2910-01-123-3849?

NSN 2910-01-123-3849 has 1 cross-referenced part number: 4-221 (Colt Industries Inc Holley Automotive Div).

What NSN replaces 2910-01-123-3849?

There are 12 known substitutes for 2910-01-123-3849: 5340-00-015-9138, 9390-00-297-2001, 3020-00-517-0618 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-221?

Key specifications for 4-221: Component Quantity: 8; Nonsupply Items and Quantities: 29092 3R-579A CHOKE SHAFT AND LEVER ASSEMBLY 1;29092 9R-160 THROTTLE PLATE 1;29092 12R-4911A THROTTLE BODY AND SHAFT ASSEMBLY 1;29092 6-126 FUEL INLET AND NEEDLE SEAT ASSEMBLY 1;29092 19R-214 SPARK FITTING 1;29092 22R-40-68 MAIN JET 1;29092 41R-652A FAST IDLE CAM AND SWIVEL ASSEMBLY 1;29092 43R-474 FAST IDLE ROD 1 A. 2 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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