Adjusting Device, Belt-Chain Tens2990-01-586-0393

NSN 2990-01-586-0393 · NIIN 015860393 · Part number 4981116

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

Government record, cited

NSN 2990-01-586-0393 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-586-0393. Manufacturer of record part number: 4981116.

Also searched as 2990-01-586-0393 · 2990015860393 · NIIN 015860393 · 01-586-0393 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 15434 · 4981116

Nearby stock numbers ← 2990-01-585-9284 Filter Element Set, Fluid · 2990-01-586-3429 Sensor, Engine Coolant Temperatur →

Features

Adjusting Device,belt-Chain Tens — FSC 2990
General Characteristics Item Description: ADJUSTING DEVICE, CHAIN, MARINE EQUIPMENT
2 manufacturer part numbers on file
Manufacturer of record: Cummins Inc.

Identification

NSN: 2990-01-586-0393
NIIN: 015860393
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 4981116
Manufacturer: Cummins Inc.

General Description

The Adjusting Device,belt-Chain Tens, cataloged under National Stock Number 2990-01-586-0393, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cummins Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2990-01-586-0393
Primary Part Number	4981116
Item Name	Adjusting Device,belt-Chain Tens
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Cummins Inc.
Status	ACTIVE
General Characteristics Item Description	ADJUSTING DEVICE, CHAIN, MARINE EQUIPMENT

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
4981116	Cummins South Pacific (AUS)
4981116 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.

2990-00-096-8607

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 2990-01-586-0393?

NSN 2990-01-586-0393 is a Adjusting Device,belt-Chain Tens, manufactured by Cummins Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-586-0393?

NSN 2990-01-586-0393 has 2 manufacturer part numbers on file: 4981116 (Cummins South Pacific), 4981116 (Cummins Inc.).

What are the specifications of 4981116?

Key specifications for 4981116: General Characteristics Item Description: ADJUSTING DEVICE, CHAIN, MARINE EQUIPMENT; Special Features: TENSIONER, BELT. 1 specification is documented in the U.S. Government catalog.

Is NSN 2990-01-586-0393 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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