Adjusting Device, Belt-Chain Tens2990-01-664-3901

NSN 2990-01-664-3901 · NIIN 016643901 · Part number 222-0-033

Maritime Applied Physics Corporation Dba Blacksea Technologies · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 0E3P8

Government record, cited

NSN 2990-01-664-3901 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-664-3901. Manufacturer of record part number: 222-0-033.

Also searched as 2990-01-664-3901 · 2990016643901 · NIIN 016643901 · 01-664-3901 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 0E3P8 · 222-0-033 · 222-0-034 REV A ITEM NO.1

Nearby stock numbers ← 2990-01-664-3583 Heater, Coolant, Engine · 2990-01-664-3993 Adjusting Device, Belt-Chain Tens →

Features

Adjusting Device,belt-Chain Tens — FSC 2990
1 manufacturer part number on file
Manufacturer of record: Maritime Applied Physics Corporation Dba Blacksea Technologies

Identification

NSN: 2990-01-664-3901
NIIN: 016643901
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 222-0-033
Manufacturer: Maritime Applied Physics Corporation Dba Blacksea Technologies

General Description

The Adjusting Device,belt-Chain Tens, cataloged under National Stock Number 2990-01-664-3901, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Maritime Applied Physics Corporation Dba Blacksea Technologies. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Adjusting Device,belt-Chain Tens
FSC / FSG	2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29)
Manufacturers	Maritime Applied Physics Corporation Dba Blacksea Technologies (CAGE 0E3P8)

Technical Specifications

Parameter	Value
NSN	2990-01-664-3901
Primary Part Number	222-0-033
Item Name	Adjusting Device,belt-Chain Tens
FSC / FSG	2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
Manufacturer	Maritime Applied Physics Corporation Dba Blacksea Technologies
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
222-0-033 PRIMARY	Maritime Applied Physics Corporation Dba Blacksea Technologies (USA)

Reference documents

Reference	Meaning
222-0-034 REV A ITEM NO.1	C/1 Advisory reference — outside the item-of-supply concept Maritime Applied Physics Corporation Dba Blacksea Technologies

Frequently Asked Questions

What is NSN 2990-01-664-3901?

NSN 2990-01-664-3901 is a Adjusting Device,belt-Chain Tens, manufactured by Maritime Applied Physics Corporation Dba Blacksea Technologies, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-664-3901?

NSN 2990-01-664-3901 has 1 manufacturer part number on file: 222-0-033 (Maritime Applied Physics Corporation Dba Blacksea Technologies).

Is NSN 2990-01-664-3901 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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