PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ABT14924Muffler,exhaust

Brighton Cromwell Llc · NSN 2990-01-030-8643 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-030-8643 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-030-8643. Primary manufacturer part number: ABT14924.
Features
  • Muffler,exhaust — FSC 2990
  • Inlet Projection Length: 2.000 INCHES NOMINAL SINGLE INLET IN
  • Outlet Location: CENTRALLY LOCATED IN END SECTION OF BODY
  • Outlet Outside Diameter: 1.750 INCHES NOMINAL FIRST OUTLET IN
  • Outlet Connection Type: UNTHREADED FIRST OUTLET
  • Overall Diameter: 5.125 INCHES NOMINAL IN
  • Outlet Projection Length: 11.500 INCHES NOMINAL FIRST OUTLET IN
  • Inlet Location: CENTRALLY LOCATED IN END SECTION OF BODY
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-030-8643, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Brighton Cromwell Llc. Government technical data includes 14 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-030-8643
Primary Part NumberABT14924
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerBrighton Cromwell Llc
StatusACTIVE
Inlet Projection Length2.000 INCHES NOMINAL SINGLE INLET IN
Outlet LocationCENTRALLY LOCATED IN END SECTION OF BODY
Outlet Outside Diameter1.750 INCHES NOMINAL FIRST OUTLET IN
Outlet Connection TypeUNTHREADED FIRST OUTLET
Overall Diameter5.125 INCHES NOMINAL IN
Outlet Projection Length11.500 INCHES NOMINAL FIRST OUTLET IN
Inlet LocationCENTRALLY LOCATED IN END SECTION OF BODY
Coolant TypeAIR
Design TypeDRY
Body ShapeROUND
Inlet Connection TypeUNTHREADED SINGLE INLET
Inlet Inside Diameter2.000 INCHES NOMINAL SINGLE INLET IN
Operating PositionHORIZONTAL
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
7510-00-240-8699 INTERCHANGEABLE
Pencil
1680-00-345-698714924 INTERCHANGEABLE
Retainer Assy
Honeywell International, Inc Div Aerospace-Tucson
5360-00-752-19757521975 INTERCHANGEABLE
Spring,helical,compression
U S Army Tank Automotive Command Amsta-Im-Mm
5915-00-767-096046311 INTERCHANGEABLE
Filter,band Pass
L3harris Technologies, Inc. Div Space and Airborne Systems
4140-01-292-5031 INTERCHANGEABLE
Shaft Assy,output
5345-01-345-72407000028089 INTERCHANGEABLE
Disk,abrasive
3m Company
5340-01-399-1373463-11 INTERCHANGEABLE
Rod and Insert Assy,special
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
5340-01-424-07564-6311 INTERCHANGEABLE
Clip,spring Tension
Control Technology Co Inc Dba Control Technology Co Inc
3040-01-451-69124631-1 INTERCHANGEABLE
Actuator,mechanical,nonaircraft
Tyee Aircraft Inc Div Tyee Aircraft
2610-01-470-4615 INTERCHANGEABLE
Tire,pneumatic,vehicular
Cross-Reference Index
Part NumberManufacturer
ABT14924 Brighton Cromwell Llc (USA)
14924 Cummins Filtration Inc. (USA)
ABT14924 Ar Bee Corp (USA)
T-14924 Cummins Filtration Inc. (USA)
46311 Taylor-Dunn Corporation Dba Metro Crown International (USA)
Related Parts
7510-00-240-8699INTERCHANGEABLE
PENCIL
1680-00-345-6987INTERCHANGEABLE
RETAINER ASSY
14924
5360-00-752-1975INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
7521975
5915-00-767-0960INTERCHANGEABLE
FILTER,BAND PASS
46311
4140-01-292-5031INTERCHANGEABLE
SHAFT ASSY,OUTPUT
5345-01-345-7240INTERCHANGEABLE
DISK,ABRASIVE
7000028089
5340-01-399-1373INTERCHANGEABLE
ROD AND INSERT ASSY,SPECIAL
463-11
5340-01-424-0756INTERCHANGEABLE
CLIP,SPRING TENSION
4-6311
3040-01-451-6912INTERCHANGEABLE
ACTUATOR,MECHANICAL,NONAIRCRAFT
4631-1
2610-01-470-4615INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
5930-01-500-7258INTERCHANGEABLE
SWITCH ASSEMBLY
46311

Frequently Asked Questions

What is NSN 2990-01-030-8643?

NSN 2990-01-030-8643 is a Muffler,exhaust, manufactured by Brighton Cromwell Llc, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-030-8643?

NSN 2990-01-030-8643 has 5 cross-referenced part numbers: ABT14924 (Brighton Cromwell Llc), 14924 (Cummins Filtration Inc.), ABT14924 (Ar Bee Corp), T-14924 (Cummins Filtration Inc.), 46311 (Taylor-Dunn Corporation Dba Metro Crown International).

What NSN replaces 2990-01-030-8643?

There are 11 known substitutes for 2990-01-030-8643: 7510-00-240-8699, 1680-00-345-6987, 5360-00-752-1975 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ABT14924?

Key specifications for ABT14924: Inlet Projection Length: 2.000 INCHES NOMINAL SINGLE INLET IN; Outlet Location: CENTRALLY LOCATED IN END SECTION OF BODY; Outlet Outside Diameter: 1.750 INCHES NOMINAL FIRST OUTLET IN; Special Features: HAS SPARK ARRESTING FEATURE AND 3/4 IN. PIPE PLUG LOCATED ON SIDE 1-1/2 IN. FROM OUTLET END IN. 16 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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