PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T-6527Muffler,exhaust

Cummins Filtration Inc. · NSN 2990-00-827-2241 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-827-2241 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-827-2241. Primary manufacturer part number: T-6527.
Features
  • Muffler,exhaust — FSC 2990
  • Design Type: DRY
  • Coolant Type: AIR
  • Muffler Design: STRAIGHT THROUGH
  • Body Shape: ROUND
  • Operating Position: UNIVERSAL
  • Outlet Inside Diameter: 1.505 INCHES MINIMUM AND 1.525 INCHES MAXIMUM FIRST OUTLET IN
  • Outlet Connection Type: UNTHREADED FIRST OUTLET
Applications
  • Applications requiring Steel Comp 410 Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-827-2241, 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 19 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-00-827-2241
Primary Part NumberT-6527
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerCummins Filtration Inc.
StatusACTIVE
Design TypeDRY
Coolant TypeAIR
Muffler DesignSTRAIGHT THROUGH
Body ShapeROUND
Operating PositionUNIVERSAL
Outlet Inside Diameter1.505 INCHES MINIMUM AND 1.525 INCHES MAXIMUM FIRST OUTLET IN
Outlet Connection TypeUNTHREADED FIRST OUTLET
Outlet LocationCENTRALLY IN END SECT. OF BODY
MaterialSTEEL COMP 410 LOCATION NOT OTHERWISE SPECIFIED
Outlet Projection Length2.750 INCHES NOMINAL FIRST OUTLET IN
Outlet Outside Diameter1.567 INCHES MINIMUM AND 1.587 INCHES MAXIMUM FIRST OUTLET IN
Material Document and ClassificationAISI 410 ASSN STD SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
Inlet Connection TypeUNTHREADED SINGLE INLET
FSC Application DataMISCELLANEOUS ENGINE ACCESSORIES,NON-AIRCRAFT
Overall Diameter3.063 INCHES NOMINAL IN
Inlet Inside Diameter1.505 INCHES MINIMUM AND 1.525 INCHES MAXIMUM SINGLE INLET IN
Inlet Projection Length1.000 INCHES NOMINAL SINGLE INLET IN
Inlet LocationCENTRALLY IN END SECT. OF BODY
Inlet Outside Diameter1.567 INCHES MINIMUM AND 1.587 INCHES MAXIMUM SINGLE INLET IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-017-99796527-103A INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Kirkhill Inc Div Kirkhill Inc, Haskon Division
4010-00-193-6794SC-C-25335-5 INTERCHANGEABLE
Guy
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-00-246-2557SC-B-61153 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5935-00-328-0235DEP23K9913HV2 INTERCHANGEABLE
Connector,receptacle,electrical
Armel De Llc Dba Armel Electronics
1005-00-831-12896527 INTERCHANGEABLE
Magazine,cartridge
Smith & Wesson Sales Company
5961-00-837-7262 INTERCHANGEABLE
Transistor
6685-00-869-695319605 INTERCHANGEABLE
Thermocouple,immersion
Engelhard Corp Specialty Div
3120-01-106-531311-470-C INTERCHANGEABLE
Bearing,washer,thrust
Gc/waldom Inc
5136-01-431-16386527 INTERCHANGEABLE
Die,thread Cutting
Stanley Tools Div of Stanley Works
5210-01-435-70466527 INTERCHANGEABLE
Caliper,inside
Central Tools, Inc.
Cross-Reference Index
Part NumberManufacturer
ABT6527 Ar Bee Corp (USA)
6527 Cummins Filtration Inc. (USA)
ABT6527 Brighton Cromwell Llc (USA)
T-6527 PRIMARY Cummins Filtration Inc. (USA)
PS609900282-1 Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
Related Parts
5330-00-017-9979INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
6527-103A
4010-00-193-6794INTERCHANGEABLE
GUY
SC-C-25335-5
5950-00-246-2557INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SC-B-61153
5935-00-328-0235INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
DEP23K9913HV2
1005-00-831-1289INTERCHANGEABLE
MAGAZINE,CARTRIDGE
6527
5961-00-837-7262INTERCHANGEABLE
TRANSISTOR
6685-00-869-6953INTERCHANGEABLE
THERMOCOUPLE,IMMERSION
19605
3120-01-106-5313INTERCHANGEABLE
BEARING,WASHER,THRUST
11-470-C
5136-01-431-1638INTERCHANGEABLE
DIE,THREAD CUTTING
6527
5210-01-435-7046INTERCHANGEABLE
CALIPER,INSIDE
6527
1630-01-469-8840INTERCHANGEABLE
LINK,ANCHOR,BRAKE SHOE
65-27
5360-01-483-4999INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
110156

Frequently Asked Questions

What is NSN 2990-00-827-2241?

NSN 2990-00-827-2241 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 2990-00-827-2241?

NSN 2990-00-827-2241 has 5 cross-referenced part numbers: ABT6527 (Ar Bee Corp), 6527 (Cummins Filtration Inc.), ABT6527 (Brighton Cromwell Llc), T-6527 (Cummins Filtration Inc.), PS609900282-1 (Lockheed Martin Corporation Div Rotary and Mission Systems).

What NSN replaces 2990-00-827-2241?

There are 12 known substitutes for 2990-00-827-2241: 5330-00-017-9979, 4010-00-193-6794, 5950-00-246-2557 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T-6527?

Key specifications for T-6527: Design Type: DRY; Coolant Type: AIR; Muffler Design: STRAIGHT THROUGH; Body Shape: ROUND. 20 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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