PartsTable TECHNICAL DATA SHEET

NSN 2990-01-103-0809Government record, cited

Pipe, Muffler Exhaus2990-01-103-0809

NSN 2990-01-103-0809 · NIIN 011030809 · Part number 7S8736

Caterpillar Inc Div Caterpillar Defense · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 11083

Government record, cited

NSN 2990-01-103-0809 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-103-0809. Manufacturer of record part number: 7S8736.

Also searched as 2990-01-103-0809 · 2990011030809 · NIIN 011030809 · 01-103-0809 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 11083 · 7S8736 · IPD7S8736

Nearby stock numbers ← 2990-01-103-0805 Rack · 2990-01-103-0810 →

Features

Pipe,muffler Exhaus — FSC 2990
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 2990-01-103-0809
NIIN: 011030809
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 7S8736
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Pipe,muffler Exhaus, cataloged under National Stock Number 2990-01-103-0809, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Pipe,muffler Exhaus
FSC / FSG	2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29)
Manufacturers	Caterpillar Inc Div Caterpillar Defense (CAGE 11083)

Technical Specifications

Parameter	Value
NSN	2990-01-103-0809
Primary Part Number	7S8736
Item Name	Pipe,muffler Exhaus
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Caterpillar Inc Div Caterpillar Defense
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
7S8736 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)

Reference documents

Reference	Meaning
IPD7S8736	5/9 Secondary reference Industrial Parts Depot, Llc Dba Ipd

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 2990-01-103-0809?

NSN 2990-01-103-0809 is a Pipe,muffler Exhaus, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-103-0809?

NSN 2990-01-103-0809 has 1 manufacturer part number on file: 7S8736 (Caterpillar Inc Div Caterpillar Defense).

Is NSN 2990-01-103-0809 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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