PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11874Muffler,exhaust

Generac Mobile Products, Llc · NSN 2990-01-643-9816 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-643-9816 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-643-9816. Primary manufacturer part number: 11874.
Features
  • Muffler,exhaust — FSC 2990
  • 1 verified cross-reference
  • Primary manufacturer: Generac Mobile Products, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-643-9816, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Generac Mobile Products, Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-643-9816
Primary Part Number11874
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerGenerac Mobile Products, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2810-00-118-887411874 INTERCHANGEABLE
Push Rod,exhaust
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5120-00-242-0762 INTERCHANGEABLE
Bar,wrecking
6625-00-332-043611874 INTERCHANGEABLE
Ammeter
Avo Intl
2520-01-252-835911874 INTERCHANGEABLE
Propeller Shaft,vehicular
Windham Lifts Inc
3010-01-297-528711874 INTERCHANGEABLE
Link,spacer
Rexnord Industries, Llc Div Couplings Division
5306-01-310-5819118714 INTERCHANGEABLE
Bolt,shoulder
Hyster-Yale Group, Inc.
5120-01-674-565611-874 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
Apex Tool Group, Llc
Cross-Reference Index
Part NumberManufacturer
11874 PRIMARY Generac Mobile Products, Llc (USA)
Related Parts
2810-00-118-8874INTERCHANGEABLE
PUSH ROD,EXHAUST
11874
5120-00-242-0762INTERCHANGEABLE
BAR,WRECKING
6625-00-332-0436INTERCHANGEABLE
AMMETER
11874
2520-01-252-8359INTERCHANGEABLE
PROPELLER SHAFT,VEHICULAR
11874
3010-01-297-5287INTERCHANGEABLE
LINK,SPACER
11874
5306-01-310-5819INTERCHANGEABLE
BOLT,SHOULDER
118714
5120-01-674-5656INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
11-874

Frequently Asked Questions

What is NSN 2990-01-643-9816?

NSN 2990-01-643-9816 is a Muffler,exhaust, manufactured by Generac Mobile Products, Llc, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-643-9816?

NSN 2990-01-643-9816 has 1 cross-referenced part number: 11874 (Generac Mobile Products, Llc).

What NSN replaces 2990-01-643-9816?

There are 7 known substitutes for 2990-01-643-9816: 2810-00-118-8874, 5120-00-242-0762, 6625-00-332-0436 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11874?

Key specifications for 11874: Part Name Assigned by Controlling Agency: LOMBARDINI MUFFLER (5460-450); Special Features: ORIGINAL EXHAUST PIPE WITH CURVE LOMBARDINI KOHLER. ORIGINAL PART LOMBARDINI. FOR ENGINES LOMBARDINI: LDW 1003, LDW 1404, LDW 903, LDW 1204.. 2 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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