Heat Shield, Exhaust2990-01-630-0670

NSN 2990-01-630-0670 · NIIN 016300670 · Part number 4981853

Cummins Inc. · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 15434

Government record, cited

NSN 2990-01-630-0670 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-630-0670. Manufacturer of record part number: 4981853.

Also searched as 2990-01-630-0670 · 2990016300670 · NIIN 016300670 · 01-630-0670 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 15434 · 4981853

Nearby stock numbers ← 2990-01-630-0666 Heat Shield, Exhaust · 2990-01-630-0672 Heat Shield, Exhaust →

Features

Heat Shield,exhaust — FSC 2990
1 manufacturer part number on file
Manufacturer of record: Cummins Inc.

Identification

NSN: 2990-01-630-0670
NIIN: 016300670
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 4981853
Manufacturer: Cummins Inc.

General Description

The Heat Shield,exhaust, cataloged under National Stock Number 2990-01-630-0670, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cummins 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.

Technical Specifications

Parameter	Value
NSN	2990-01-630-0670
Primary Part Number	4981853
Item Name	Heat Shield,exhaust
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Cummins 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
4981853 PRIMARY	Cummins 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 2990-01-630-0670?

NSN 2990-01-630-0670 is a Heat Shield,exhaust, manufactured by Cummins Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-630-0670?

NSN 2990-01-630-0670 has 1 manufacturer part number on file: 4981853 (Cummins Inc.).

What are the specifications of 4981853?

Key specifications for 4981853: Part Name Assigned by Controlling Agency: HEAT SHIELD; End Item Identification: CUMMINS DIESEL ENGINES 4B3.9, ISBE CM2150, ISD4.5 CM2150, QSB6.7 M CM2250, ISF3.8 CM2220 F103, QSB6.7 CM2250 EC, ISB 5.9 G CM2180, ISBE CM800, ISF3.8 CM2220 AN, ISB6.7 CM2250, B4.5 RGT, ISF2.8 CM2220 F101, B5.9 G, QSB3.9 30 CM550, QSB5.9 30 CM550, G3.9, ISD6.7 CM2150 SN, QSB6.7 CM2250, ISF2.8 CM2220 EC, ISF3.8 CM2220 IAN, B6.7S, QSB7-DM CM850, ISB6.7 CM2350 B101, ISB CM850, ISBE4 CM850, ISF3.8 CM2220, B4.5, ISB CM2150, ISF2.8 CM2220 AN, ISB6.7 CM2150 SN, QSB6.7 CM850, B5.9 G CM558, B4.5S, ISB6.7 CM2150 SQ, 6B5.9, ISB4.5 CM2150, B5.9 GAS PLUS CM556, ISF2.8 CM2220 IAN, QSB4.5 30 CM550, ISB4.5 CM2150 SN, QSB5.9 CM850, ISB CM550, ISF2.8 CM2220, QSB4.5 CM850, QSB5.9 44 CM550, F3.8 F102, B GAS INTERNATIONAL CM556, B5.9 LPG PLUS CM556, QSB4.5 CM2250 EC G. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-630-0670 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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