Cover, Gearbox1005-01-389-5509

NSN 1005-01-389-5509 · NIIN 013895509 · Part number 912E0403-1

Syn-Tech System, Inc. · FSC 1005 — Guns, Through 30mm · FSG 10 — Weapons · CAGE 56672

Government record, cited

NSN 1005-01-389-5509 — this item is cataloged by the U.S. Government under National Stock Number 1005-01-389-5509. Manufacturer of record part number: 912E0403-1.

Also searched as 1005-01-389-5509 · 1005013895509 · NIIN 013895509 · 01-389-5509 · FSC 1005 Guns, Through 30mm · CAGE 56672 · 912E0403-1

Nearby stock numbers ← 1005-01-389-5248 Gde, Aft, Outer, Upper · 1005-01-389-5710 Guide, Tube, Forward →

Features

Cover,gearbox — FSC 1005
1 manufacturer part number on file
Manufacturer of record: Syn-Tech System, Inc.

Identification

NSN: 1005-01-389-5509
NIIN: 013895509
FSC: 1005 — Guns, Through 30mm
FSG: 10 — Weapons
Primary part number: 912E0403-1
Manufacturer: Syn-Tech System, Inc.

General Description

The Cover,gearbox, cataloged under National Stock Number 1005-01-389-5509, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Syn-Tech System, 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	1005-01-389-5509
Primary Part Number	912E0403-1
Item Name	Cover,gearbox
FSC / FSG	1005 / 10 — Guns, Through 30mm
Manufacturer	Syn-Tech System, 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
912E0403-1 PRIMARY	Syn-Tech System, Inc. (USA)

No interchangeability data on file.

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Frequently Asked Questions

What is NSN 1005-01-389-5509?

NSN 1005-01-389-5509 is a Cover,gearbox, manufactured by Syn-Tech System, Inc., classified under FSC 1005, Guns, Through 30mm. Status: active.

What part numbers are listed for NSN 1005-01-389-5509?

NSN 1005-01-389-5509 has 1 manufacturer part number on file: 912E0403-1 (Syn-Tech System, Inc.).

What are the specifications of 912E0403-1?

Key specifications for 912E0403-1: End Item Identification: 25MM AUTOLOAD MM. 0 specifications are documented in the U.S. Government catalog.

Is NSN 1005-01-389-5509 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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