Cap Assembly, Protective, Muffler-2990-01-547-3499

NSN 2990-01-547-3499 · NIIN 015473499 · Part number B809-6068

Essex Electro Engineers Inc · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 21269

Government record, cited

NSN 2990-01-547-3499 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-547-3499. Manufacturer of record part number: B809-6068.

Also searched as 2990-01-547-3499 · 2990015473499 · NIIN 015473499 · 01-547-3499 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 21269 · B809-6068

Nearby stock numbers ← 2990-01-546-9995 Weldment Assembly · 2990-01-547-3739 Muffler, Exhaust →

Features

Cap Assembly,protective,muffler- — FSC 2990
1 manufacturer part number on file
Manufacturer of record: Essex Electro Engineers Inc

Identification

NSN: 2990-01-547-3499
NIIN: 015473499
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: B809-6068
Manufacturer: Essex Electro Engineers Inc

General Description

The Cap Assembly,protective,muffler-, cataloged under National Stock Number 2990-01-547-3499, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Essex Electro Engineers Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Cap Assembly,protective,muffler-
FSC / FSG	2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29)
Manufacturers	Essex Electro Engineers Inc (CAGE 21269)

Technical Specifications

Parameter	Value
NSN	2990-01-547-3499
Primary Part Number	B809-6068
Item Name	Cap Assembly,protective,muffler-
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Essex Electro Engineers Inc
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
B809-6068 PRIMARY	Essex Electro Engineers Inc (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 2990-01-547-3499?

NSN 2990-01-547-3499 is a Cap Assembly,protective,muffler-, manufactured by Essex Electro Engineers Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-547-3499?

NSN 2990-01-547-3499 has 1 manufacturer part number on file: B809-6068 (Essex Electro Engineers Inc).

Is NSN 2990-01-547-3499 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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