PartsTable TECHNICAL DATA SHEET

NSN 2990-01-522-2223Government record, cited

Muffler, Exhaust2990-01-522-2223

NSN 2990-01-522-2223 · NIIN 015222223 · Part number 93016A3000

Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 01365

Government record, cited

NSN 2990-01-522-2223 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-522-2223. Manufacturer of record part number: 93016A3000.

Also searched as 2990-01-522-2223 · 2990015222223 · NIIN 015222223 · 01-522-2223 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 01365 · 93016A3000

Nearby stock numbers ← 2990-01-522-2044 Muffler, Exhaust · 2990-01-522-4877 Arrester, Spark Exhaust →

Features

Muffler,exhaust — FSC 2990
Inlet Flange Shape: TRIANGULAR SINGLE INLET
Operating Position: HORIZONTAL
Inlet Location: LOCATEDINBODYSECTIONNEAREND
Design Type: JACKETED
Inlet Projection Length: 7.500 INCHES NOMINAL SINGLE INLET IN
Inlet Connection Type: FLANGE SINGLE INLET
Body Shape: ROUND

Identification

NSN: 2990-01-522-2223
NIIN: 015222223
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 93016A3000
Manufacturer: Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service

General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-522-2223, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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

Parameter	Value
NSN	2990-01-522-2223
Primary Part Number	93016A3000
Item Name	Muffler,exhaust
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
Status	ACTIVE
Inlet Flange Shape	TRIANGULAR SINGLE INLET
Operating Position	HORIZONTAL
Inlet Location	LOCATEDINBODYSECTIONNEAREND
Design Type	JACKETED
Inlet Projection Length	7.500 INCHES NOMINAL SINGLE INLET IN
Inlet Connection Type	FLANGE SINGLE INLET
Body Shape	ROUND
Inlet Flange Mounting Provision and Quantity	3 HOLES SINGLE INLET

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

Cross-Reference Index

Part Number	Manufacturer
93016A3000 PRIMARY	Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA)

Reference documents

Reference	Meaning
93016A3000	5/9 Secondary reference The Gorman-Rupp Company Div Gorman-Rupp

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 2990-01-522-2223?

NSN 2990-01-522-2223 is a Muffler,exhaust, manufactured by Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-522-2223?

NSN 2990-01-522-2223 has 1 manufacturer part number on file: 93016A3000 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service).

What are the specifications of 93016A3000?

Key specifications for 93016A3000: Inlet Flange Shape: TRIANGULAR SINGLE INLET; Operating Position: HORIZONTAL; Inlet Location: LOCATEDINBODYSECTIONNEAREND; Design Type: JACKETED. 8 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-522-2223 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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