Weldment Assembly2990-01-546-9991

NSN 2990-01-546-9991 · NIIN 015469991 · Part number 11959B

Generac Mobile Products, Llc · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 0SUA9

Government record, cited

NSN 2990-01-546-9991 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-546-9991. Manufacturer of record part number: 11959B.

Also searched as 2990-01-546-9991 · 2990015469991 · NIIN 015469991 · 01-546-9991 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 0SUA9 · 11959B

Nearby stock numbers ← 2990-01-546-9979 Adapter, Filler Neck · 2990-01-546-9995 Weldment Assembly →

Features

Weldment Assembly — FSC 2990
1 manufacturer part number on file
Manufacturer of record: Generac Mobile Products, Llc

Identification

NSN: 2990-01-546-9991
NIIN: 015469991
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 11959B
Manufacturer: Generac Mobile Products, Llc

General Description

The Weldment Assembly, cataloged under National Stock Number 2990-01-546-9991, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Generac Mobile Products, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2990-01-546-9991
Primary Part Number	11959B
Item Name	Weldment Assembly
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Generac Mobile Products, Llc
Status	ACTIVE

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
11959B PRIMARY	Generac Mobile Products, Llc (USA)

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 2990-01-546-9991?

NSN 2990-01-546-9991 is a Weldment Assembly, manufactured by Generac Mobile Products, Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-546-9991?

NSN 2990-01-546-9991 has 1 manufacturer part number on file: 11959B (Generac Mobile Products, Llc).

What are the specifications of 11959B?

Key specifications for 11959B: Part Name Assigned by Controlling Agency: WELDMENT, LFT FAN GUARD - MMG25; End Item Identification: 6115-01-531-0571, GENERATOR SET 20KW 50/60HZ. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-546-9991 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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