PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T-12508Muffler,exhaust

Cummins Filtration Inc. · NSN 2990-00-937-1924 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-937-1924 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-937-1924. Primary manufacturer part number: T-12508.
Features
  • Muffler,exhaust — FSC 2990
  • Design Type: DRY
  • Tube Quantity: 1
  • Inlet Connection Type: UNTHREADED SINGLE INLET
  • Body Shape: ROUND
  • Inlet Inside Diameter: 1.770 INCHES MINIMUM AND 1.790 INCHES MAXIMUM SINGLE INLET IN
  • Surface Treatment: PAINT HEAT RESISTANT
  • Outlet Outside Diameter: 1.475 INCHES MINIMUM AND 1.495 INCHES MAXIMUM FIRST OUTLET IN
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-937-1924, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Cummins Filtration Inc.. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, 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
NSN2990-00-937-1924
Primary Part NumberT-12508
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerCummins Filtration Inc.
StatusACTIVE
Design TypeDRY
Tube Quantity1
Inlet Connection TypeUNTHREADED SINGLE INLET
Body ShapeROUND
Inlet Inside Diameter1.770 INCHES MINIMUM AND 1.790 INCHES MAXIMUM SINGLE INLET IN
Surface TreatmentPAINT HEAT RESISTANT
Outlet Outside Diameter1.475 INCHES MINIMUM AND 1.495 INCHES MAXIMUM FIRST OUTLET IN
Coolant TypeAIR
Overall Diameter6.120 INCHES NOMINAL IN
Operating PositionUNIVERSAL
Inlet LocationOFFSET ON END OF BODY
Inlet Projection Length2.000 INCHES NOMINAL SINGLE INLET IN
Outlet Projection Length2.000 INCHES NOMINAL FIRST OUTLET IN
Outlet Connection TypeUNTHREADED FIRST OUTLET
Outlet LocationOFFSET ON END OF BODY
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Muffler DesignSTRAIGHT THROUGH W/BAFFLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-07371193749 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Chrysler Realty Company Llc Dba Daimler Chrysler
5330-00-220-182612508 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
8135-00-238-6917 INTERCHANGEABLE
Tag,shipping
6105-00-328-010512-508 INTERCHANGEABLE
Lobe Cone,pump
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5330-00-353-097712508 INTERCHANGEABLE
Gasket
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5360-00-664-5340 INTERCHANGEABLE
Spring,helical,compression
5330-01-043-562212741-2 INTERCHANGEABLE
Gasket
Aerco International, Inc. Dba Aerco International Inc
6515-01-103-2824 INTERCHANGEABLE
Bone Plate
3040-01-270-496812508 INTERCHANGEABLE
Parts Kit,linear Actuating Cylin
Texas Hydraulics, Inc.
5305-01-273-498012508 INTERCHANGEABLE
Screw,cap,socket Head
Sps Technologies, Llc Dba PB Fasteners
Cross-Reference Index
Part NumberManufacturer
12508 Cummins Filtration Inc. (USA)
0GB-T12508-N Brighton Cromwell Llc (USA)
ABT12508 Brighton Cromwell Llc (USA)
ABT12508 Ar Bee Corp (USA)
0GB-T12508-N Ar Bee Corp (USA)
74826128 Kalmar AC Inc (USA)
T-12508 PRIMARY Cummins Filtration Inc. (USA)
Related Parts
3110-00-100-0737INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
1193749
5330-00-220-1826INTERCHANGEABLE
SEAL,PLAIN ENCASED
12508
8135-00-238-6917INTERCHANGEABLE
TAG,SHIPPING
6105-00-328-0105INTERCHANGEABLE
LOBE CONE,PUMP
12-508
5330-00-353-0977INTERCHANGEABLE
GASKET
12508
5360-00-664-5340INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5330-01-043-5622INTERCHANGEABLE
GASKET
12741-2
6515-01-103-2824INTERCHANGEABLE
BONE PLATE
3040-01-270-4968INTERCHANGEABLE
PARTS KIT,LINEAR ACTUATING CYLIN
12508
5305-01-273-4980INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
12508
4140-01-366-0336INTERCHANGEABLE
FAN,TUBEAXIAL
12508
5340-01-564-0629INTERCHANGEABLE
CLAMP,LOOP
12508

Frequently Asked Questions

What is NSN 2990-00-937-1924?

NSN 2990-00-937-1924 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-937-1924?

NSN 2990-00-937-1924 has 7 cross-referenced part numbers: 12508 (Cummins Filtration Inc.), 0GB-T12508-N (Brighton Cromwell Llc), ABT12508 (Brighton Cromwell Llc), ABT12508 (Ar Bee Corp), 0GB-T12508-N (Ar Bee Corp) and 2 more.

What NSN replaces 2990-00-937-1924?

There are 12 known substitutes for 2990-00-937-1924: 3110-00-100-0737, 5330-00-220-1826, 8135-00-238-6917 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T-12508?

Key specifications for T-12508: Overall Length: 16.000 INCHES NOMINAL IN; Design Type: DRY; Tube Quantity: 1; Inlet Connection Type: UNTHREADED SINGLE INLET. 19 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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