PartsTable TECHNICAL DATA SHEET

NSN 2990-01-435-0154Government record, cited

Muffler, Exhaust2990-01-435-0154

NSN 2990-01-435-0154 · NIIN 014350154 · Part number T-316L S/S CONSTRUCTION

Boulden Energy Systems Llc · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 0T3N5

Government record, cited

NSN 2990-01-435-0154 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-435-0154. Manufacturer of record part number: T-316L S/S CONSTRUCTION.

Also searched as 2990-01-435-0154 · 2990014350154 · NIIN 014350154 · 01-435-0154 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 0T3N5 · T-316L S/S CONSTRUCTION · 33-6965-S

Nearby stock numbers ← 2990-01-434-7807 Pipe, Exhaust · 2990-01-435-0647 Tie, Rod, Turbocharger →

Features

Muffler,exhaust — FSC 2990
Operating Position: UNIVERSAL
Coolant Type: AIR
Design Type: JACKETED
Overall Diameter: 33.000 INCHES NOMINAL IN
Muffler Design: BAFFLE
Tube Quantity: 1
Body Shape: ROUND

Identification

NSN: 2990-01-435-0154
NIIN: 014350154
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: T-316L S/S CONSTRUCTION
Manufacturer: Boulden Energy Systems Llc

General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-435-0154, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Boulden Energy Systems Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	2990-01-435-0154
Primary Part Number	T-316L S/S CONSTRUCTION
Item Name	Muffler,exhaust
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Boulden Energy Systems Llc
Status	ACTIVE
Operating Position	UNIVERSAL
Coolant Type	AIR
Design Type	JACKETED
Overall Diameter	33.000 INCHES NOMINAL IN
Muffler Design	BAFFLE
Tube Quantity	1
Body Shape	ROUND
Material	STEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED

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
T-316L S/S CONSTRUCTION PRIMARY	Boulden Energy Systems Llc (USA)

Reference documents

Reference	Meaning
33-6965-S	5/2 Secondary reference U.S. Government activity

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 2990-01-435-0154?

NSN 2990-01-435-0154 is a Muffler,exhaust, manufactured by Boulden Energy Systems Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-435-0154?

NSN 2990-01-435-0154 has 1 manufacturer part number on file: T-316L S/S CONSTRUCTION (Boulden Energy Systems Llc).

What are the specifications of T-316L S/S CONSTRUCTION?

Key specifications for T-316L S/S CONSTRUCTION: Operating Position: UNIVERSAL; Coolant Type: AIR; Design Type: JACKETED; Overall Diameter: 33.000 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-435-0154 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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