PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ABT5712Muffler,exhaust

Brighton Cromwell Llc · NSN 2990-00-936-5071 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-936-5071 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-936-5071. Primary manufacturer part number: ABT5712.
Features
  • Muffler,exhaust — FSC 2990
  • Muffler Design: STRAIGHT THROUGH
  • Coolant Type: AIR
  • Design Type: DRY
  • Inlet Connection Type: UNTHREADED SINGLE INLET
  • Nonconnection Outlet Location: IN END SECTION OF BODY
  • Nonconnection Outlet Size: 0.125 IN. DIA IN
  • Inlet Outside Diameter: 1.315 INCHES NOMINAL SINGLE INLET IN
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-936-5071, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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
NSN2990-00-936-5071
Primary Part NumberABT5712
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerBrighton Cromwell Llc
StatusACTIVE
Muffler DesignSTRAIGHT THROUGH
Coolant TypeAIR
Design TypeDRY
Inlet Connection TypeUNTHREADED SINGLE INLET
Nonconnection Outlet LocationIN END SECTION OF BODY
Nonconnection Outlet Size0.125 IN. DIA IN
Inlet Outside Diameter1.315 INCHES NOMINAL SINGLE INLET IN
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Overall Diameter4.250 INCHES NOMINAL IN
Inlet LocationCENTRALLY LOCATED IN END SECTION OF BODY
Inlet Projection Length2.000 INCHES NOMINAL SINGLE INLET IN
Surface TreatmentPLASTIC POLYPROPYLENE
Nonconnection Outlet Type and Quantity88 PERFORATED
Tube Quantity1
Body ShapeROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5999-00-156-07995712 INTERCHANGEABLE
Contact,electrical
Cae Usa Inc.
3030-00-269-972032424 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5935-00-400-1479114-458-0002 INTERCHANGEABLE
Connector,plug,electrical
Northrop Grumman Systems Corporation
4320-00-540-06532000130-1183 INTERCHANGEABLE
Pump,rotary
Tvh Parts Co.
5950-00-578-1340996067 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4940-00-956-8612 INTERCHANGEABLE
Holder,fle,ible
5930-01-150-5553 INTERCHANGEABLE
Switch,toggle
4920-01-363-1816T571-2 INTERCHANGEABLE
Fixture,aircraft Maintenance
Woodward Hrt Inc
7240-01-479-0251 INTERCHANGEABLE
Waste Receptacle
5340-01-482-61035712 INTERCHANGEABLE
Button,plug
Abb Installation Products Inc
Cross-Reference Index
Part NumberManufacturer
ABT5712 PRIMARY Brighton Cromwell Llc (USA)
WD66A Wisconsin Motors, Llc (USA)
5712 Cummins Filtration Inc. (USA)
T-5712 Cummins Filtration Inc. (USA)
ABT5712 Ar Bee Corp (USA)
WD66AS5 Wisconsin Motors, Llc (USA)
Related Parts
5999-00-156-0799INTERCHANGEABLE
CONTACT,ELECTRICAL
5712
3030-00-269-9720INTERCHANGEABLE
BELT,V
32424
5935-00-400-1479INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
114-458-0002
4320-00-540-0653INTERCHANGEABLE
PUMP,ROTARY
2000130-1183
5950-00-578-1340INTERCHANGEABLE
TRANSFORMER,POWER
996067
4940-00-956-8612INTERCHANGEABLE
HOLDER,FLE,IBLE
5930-01-150-5553INTERCHANGEABLE
SWITCH,TOGGLE
4920-01-363-1816INTERCHANGEABLE
FIXTURE,AIRCRAFT MAINTENANCE
T571-2
7240-01-479-0251INTERCHANGEABLE
WASTE RECEPTACLE
5340-01-482-6103INTERCHANGEABLE
BUTTON,PLUG
5712
7530-01-544-9448INTERCHANGEABLE
PLACARD ALL WEATHER
5712

Frequently Asked Questions

What is NSN 2990-00-936-5071?

NSN 2990-00-936-5071 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 2990-00-936-5071?

NSN 2990-00-936-5071 has 6 cross-referenced part numbers: ABT5712 (Brighton Cromwell Llc), WD66A (Wisconsin Motors, Llc), 5712 (Cummins Filtration Inc.), T-5712 (Cummins Filtration Inc.), ABT5712 (Ar Bee Corp) and 1 more.

What NSN replaces 2990-00-936-5071?

There are 11 known substitutes for 2990-00-936-5071: 5999-00-156-0799, 3030-00-269-9720, 5935-00-400-1479 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ABT5712?

Key specifications for ABT5712: Muffler Design: STRAIGHT THROUGH; Coolant Type: AIR; Design Type: DRY; Inlet Connection Type: UNTHREADED SINGLE INLET. 17 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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