PartsTable TECHNICAL DATA SHEET

NSN 2990-01-570-2689Government record, cited

Heat Shield, Exhaust2990-01-570-2689

NSN 2990-01-570-2689 · NIIN 015702689 · Part number 3768826

Oshkosh Defense Llc · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 75Q65

Government record, cited

NSN 2990-01-570-2689 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-570-2689. Manufacturer of record part number: 3768826.

Also searched as 2990-01-570-2689 · 2990015702689 · NIIN 015702689 · 01-570-2689 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 75Q65 · 3768826

Nearby stock numbers ← 2990-01-570-2509 Exhaust System, Engine · 2990-01-570-3711 Service Kit, Semi an →

Features

Heat Shield,exhaust — FSC 2990
1 manufacturer part number on file
Manufacturer of record: Oshkosh Defense Llc

Identification

NSN: 2990-01-570-2689
NIIN: 015702689
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 3768826
Manufacturer: Oshkosh Defense Llc

General Description

The Heat Shield,exhaust, cataloged under National Stock Number 2990-01-570-2689, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Oshkosh Defense Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	2990-01-570-2689
Primary Part Number	3768826
Item Name	Heat Shield,exhaust
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Oshkosh Defense 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
3768826 PRIMARY	Oshkosh Defense Llc (USA)

Reference documents

Reference	Meaning
3768826	5/9 Secondary reference Oshkosh Corp

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.

2990-00-096-8607

CONTROL ASSEMBLY,PUSH-PULL

2990-00-390-3445

CRANK,HAND,VEHICULAR

2990-00-459-7255

MUFFLER,EXHAUST

2990-00-459-7255

MUFFLER,EXHAUST

2990-00-536-2962

BLOCK,ADJUSTING SCREW

2990-00-903-8226

MUFFLER,EXHAUST

2990-01-151-5443

CONNECTOR,EXHAUST PIPE

2990-01-151-5443

CONNECTOR,EXHAUST PIPE

Frequently Asked Questions

What is NSN 2990-01-570-2689?

NSN 2990-01-570-2689 is a Heat Shield,exhaust, manufactured by Oshkosh Defense Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-570-2689?

NSN 2990-01-570-2689 has 1 manufacturer part number on file: 3768826 (Oshkosh Defense Llc).

What are the specifications of 3768826?

Key specifications for 3768826: End Item Identification: 2320-01-544-2251 TRUCK,PALLETIZED LOADING SYSTEM (PLS) FOV. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-570-2689 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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