PartsTable TECHNICAL DATA SHEET

NSN 2990-00-470-6918Government record, cited

Muffler, Exhaust2990-00-470-6918

NSN 2990-00-470-6918 · NIIN 004706918 · Part number T-10547

Cummins Filtration Inc. · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 76700

Government record, cited

NSN 2990-00-470-6918 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-470-6918. Manufacturer of record part number: T-10547.

Also searched as 2990-00-470-6918 · 2990004706918 · NIIN 004706918 · 00-470-6918 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 76700 · T-10547 · ABT10547 · ABT10547 · 10547

Nearby stock numbers ← 2990-00-470-6893 · 2990-00-470-6929 →

Features

Muffler,exhaust — FSC 2990
Operating Position: UNIVERSAL
Inlet Location: LOCATED ON SIDE OF BODY
Coolant Type: AIR
Design Type: DRY
Overall Diameter: 6.620 INCHES NOMINAL IN
Outlet Inside Diameter: 2.380 INCHES NOMINAL FIRST OUTLET IN
Baffle Quantity: 1

Identification

NSN: 2990-00-470-6918
NIIN: 004706918
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: T-10547
Manufacturer: Cummins Filtration Inc.

General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-470-6918, 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 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2990-00-470-6918
Primary Part Number	T-10547
Item Name	Muffler,exhaust
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Cummins Filtration Inc.
Status	ACTIVE
Operating Position	UNIVERSAL
Inlet Location	LOCATED ON SIDE OF BODY
Coolant Type	AIR
Design Type	DRY
Overall Diameter	6.620 INCHES NOMINAL IN
Outlet Inside Diameter	2.380 INCHES NOMINAL FIRST OUTLET IN
Baffle Quantity	1
Muffler Design	STRAIGHT THROUGH W/BAFFLE
Inlet Connection Type	UNTHREADED SINGLE INLET
Body Shape	ROUND
Inlet Inside Diameter	2.400 INCHES NOMINAL SINGLE INLET IN
Material	STEEL LOCATION NOT OTHERWISE SPECIFIED
Outlet Projection Length	3.000 INCHES NOMINAL FIRST OUTLET IN
Outlet Connection Type	UNTHREADED FIRST OUTLET
Outlet Location	CENTERED ON END OF BODY

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

⇄ Related Items 6

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5310-00-638-4182 POSSIBLE MATCH

NUT,PLAIN,KNURLED

Possible match (shared part number)

4320-01-056-9399966458-00 POSSIBLE MATCH

SLEEVE,SHAFT,PUMP

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Epd

3439-01-057-100110547 POSSIBLE MATCH

ELEMENT,SOLDER REFLOW

Possible match (shared part number)Assembly Technologies International Inc.

5360-01-260-564710547 POSSIBLE MATCH

SPRING,HELICAL,COMPRESSION

Possible match (shared part number)Consolidated Sewing Machine Corp

5120-01-313-124810547 POSSIBLE MATCH

INSERTER,SEAL

Possible match (shared part number)Chandler Associates

5340-01-512-7041 POSSIBLE MATCH

MOUNT,RESILIENT,UTILITY

Possible match (shared part number)

Cross-Reference Index

Part Number	Manufacturer
ABT10547	Brighton Cromwell Llc (USA)
T-10547 PRIMARY	Cummins Filtration Inc. (USA)

Reference documents

Reference	Meaning
ABT10547	5/9 Secondary reference Ar Bee Corp
10547	D/9 Drawing number reference only Cummins Filtration Inc.

Related Parts

5310-00-638-4182POSSIBLE MATCH

NUT,PLAIN,KNURLED

4320-01-056-9399POSSIBLE MATCH

SLEEVE,SHAFT,PUMP

966458-00

3439-01-057-1001POSSIBLE MATCH

ELEMENT,SOLDER REFLOW

10547

5360-01-260-5647POSSIBLE MATCH

SPRING,HELICAL,COMPRESSION

10547

5120-01-313-1248POSSIBLE MATCH

INSERTER,SEAL

10547

5340-01-512-7041POSSIBLE MATCH

MOUNT,RESILIENT,UTILITY

Frequently Asked Questions

What is NSN 2990-00-470-6918?

NSN 2990-00-470-6918 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 2990-00-470-6918?

NSN 2990-00-470-6918 has 2 manufacturer part numbers on file: ABT10547 (Brighton Cromwell Llc), T-10547 (Cummins Filtration Inc.).

What NSN replaces 2990-00-470-6918?

6 possible matches (shared part number, not a government interchangeability claim): 5310-00-638-4182, 4320-01-056-9399, 3439-01-057-1001. Verify interchangeability with system specifications before substitution.

What are the specifications of T-10547?

Key specifications for T-10547: Operating Position: UNIVERSAL; Inlet Location: LOCATED ON SIDE OF BODY; Coolant Type: AIR; Design Type: DRY. 15 specifications are documented in the U.S. Government catalog.

Is NSN 2990-00-470-6918 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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