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NSN 2990-00-134-8312Government record, cited

Muffler, Exhaust2990-00-134-8312

NSN 2990-00-134-8312 · NIIN 001348312 · Part number 11842N
Cummins Filtration Inc. · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 76700
Government record, cited
NSN 2990-00-134-8312 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-134-8312. Manufacturer of record part number: 11842N.
Also searched as  2990-00-134-8312 · 2990001348312 · NIIN 001348312 · 00-134-8312 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 76700 · 11842N · T-11842 · 11664485
Nearby stock numbers  ·
Features
  • Muffler,exhaust — FSC 2990
  • Inlet Location: LOCATED ON SIDE SECTION OF BODY ARNLDSQ
  • Coolant Type: AIR
  • Design Type: DRY
  • Overall Diameter: 12.125 INCHES NOMINAL IN
  • Material Document and Classification: MIL-S-4174, TYPE 1, GRADE A MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
  • Muffler Design: STRAIGHT THROUGH
  • Material: STEEL LOCATION NOT OTHERWISE SPECIFIED
Identification
  • NSN: 2990-00-134-8312
  • NIIN: 001348312
  • FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
  • FSG: 29 — Engine Accessories
  • Primary part number: 11842N
  • Manufacturer: Cummins Filtration Inc.
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-134-8312, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cummins Filtration Inc.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-00-134-8312
Primary Part Number11842N
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
ManufacturerCummins Filtration Inc.
StatusACTIVE
Inlet LocationLOCATED ON SIDE SECTION OF BODY ARNLDSQ
Coolant TypeAIR
Design TypeDRY
Overall Diameter12.125 INCHES NOMINAL IN
Material Document and ClassificationMIL-S-4174, TYPE 1, GRADE A MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
Muffler DesignSTRAIGHT THROUGH
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Outlet LocationLOCATED ON SIDE SECTION OF BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
11664485 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
11842N PRIMARY Cummins Filtration Inc. (USA)
Reference documents
ReferenceMeaning
T-11842 5/9 Secondary reference
Cummins Filtration Inc.
No interchangeability data on file.
Other items in FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2990-00-001-0001
BLOWER ASSEMBLY
2990-00-001-1248
2990-00-001-1248 · Item name not on file
2990-00-001-1250
2990-00-001-1250 · Item name not on file
2990-00-001-2055
2990-00-001-2055 · Item name not on file
2990-00-001-3498
2990-00-001-3498 · Item name not on file
2990-00-001-3520
2990-00-001-3520 · Item name not on file
2990-00-001-3521
2990-00-001-3521 · Item name not on file
2990-00-001-3522
CAP ASSEMBLY,MUFFLE

Frequently Asked Questions

What is NSN 2990-00-134-8312?

NSN 2990-00-134-8312 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-00-134-8312?

NSN 2990-00-134-8312 has 2 manufacturer part numbers on file: 11664485 (U S Army Tank Automotive Command Amsta-Im-Mm), 11842N (Cummins Filtration Inc.).

What are the specifications of 11842N?

Key specifications for 11842N: Inlet Location: LOCATED ON SIDE SECTION OF BODY ARNLDSQ; Coolant Type: AIR; Design Type: DRY; Overall Diameter: 12.125 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 2990-00-134-8312 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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